Nevada Science Standards

The STANDARDS CORRELATION chart suggests which Nevada Science Standards you can cover using PASSPORT TO THE UNIVERSE in your classroom. We hope you will discover additional standards you can use. These are the ones our Instructional Materials Development team felt most directly related to the activities contained in PASSPORT TO THE UNIVERSE.

For additional Nevada Science Standards you can cover see the STANDARDS CORRELATION chart for the following PASSPORT TO KNOWLEDGE projects:

PASSPORT TO ANTARCTICA

PASSPORT TO THE RAINFOREST

PASSPORT TO THE SOLAR SYSTEM

PASSPORT TO WEATHER AND CLIMATE

LIVE FROM MARS 2001/2002

Grades K-4,   Grades 5-12

Introduction

Science is the component of the school curriculum in which student inquiry and discovery can develop and flourish. Science seeks to make sense of the natural world by describing its complexity, explaining its systems and events, and finding patterns that allow for predictions. It is the basis for the design of technologies that solve real-world problems and occupies an increasingly important place in our everyday lives. As citizens, we are asked to make decisions about social issues that involve science and technology. As workers, we have occupations that increasingly involve science and technology. In the twenty-first century, adults will need to be comfortable and competent in a complex scientific and technological world. Schools have the responsibility of preparing students for the future. Schools must prepare all students to be scientifically literate.

The study of science involves exploration using a variety of technologies. Current technology tools for communication, research, problem solving, and decision making provide students with opportunities to apply scientific concepts in project-based activities. Use of video, the Internet, and other print and non-print sources enhances students' learning experiences and helps make those experiences meaningful.

The Nevada Science Standards represent a common core for curriculum throughout Nevada's schools. Many people may recognize, however, that as in many human endeavors the process is at least as important as the product. These content standards are the result of an invaluable process of dialogue and consensus-building among educators, scientists, industry representatives, and parents from throughout Nevada about what all students should know and be able to do in science. The content standards are essential to accomplishing the goals for science education listed below.

Goals of Science Education in Nevada

All graduates of Nevada schools should:
•Demonstrate the processes of science by posing questions and investigating phenomena through language, methods, and instruments of science;
•Acquire scientific knowledge by applying concepts, theories, principles, and laws from life, physical, and Earth/space science;
•Demonstrate ways of thinking and acting inherent in the practice of science and exhibit an awareness of the historical and cultural contribution to the enterprise of science; and
•Demonstrate an ability to solve problems and make personal decisions about issues affecting the individual, society, and the environment.

Content Organization

All of the sciences connect with each other. However, it has been necessary, for ease of use, to divide this document into an ordered hierarchy. This organizational scheme should in no way be interpreted as a mandate for structuring academic courses or curriculum.

The complete domain of what students should know and be able to do is organized in this document as six strands: physical science; life science; earth and space sciences; environmental sciences; the nature and history of science; and scientific inquiry: processes and skills. Each of the six strands is further divided into content standards which constitute the "big ideas" of science. For example, Physical Science is divided into five content standards, beginning with Forces and Motion. Specific grade-level benchmarks further define student expectations relative to this content standard. These benchmarks are specific enough to provide a common content core for local curriculum but broad enough to allow school districts many diverse curricular paths to meet the standards. The order in which concepts are listed from top to bottom on any given page is not meant to imply an order in which concepts should be taught. Curriculum designers and teachers are encouraged to build units of study that address standards from multiple strands, to emphasize interdisciplinary study.

Knowledge and processes are both important in the area of science. It is even more important that students be able to combine their scientific knowledge and the processes of science to develop their own understanding of science. For example, students should be encouraged to engage in such activities as asking questions, planning and conducting their own investigations, and using tools and technology to gather data. Therefore, the Nevada Science Standards frequently use verb combinations to describe what a student is expected to know and be able to do. For example, at the third grade, students are expected to "investigate and describe the ways that different objects may balance or topple in various situations."

The Nevada Science Standards are intended to provide Nevada students with a rich, thorough, and varied science education to prepare them for the challenges, discoveries, and demands of life in the twenty-first century.

Grades K-4

Physical Science
Content Standard 1.0: Forces and Motion-Students understand that forces such as gravitational, electrical, and magnetic influence the motion of objects.

By the end of Kindergarten, students know and are able to:

 

Description of Motion

 

1.K.1: Investigate and describe how objects move.

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By the end of Grade 1, students know and are able to do everything required in the earlier grade and:

 

By the end of Grade 2, students know and are able to do everything required in earlier grades and:

 

Description of Motion

 

1.2.1: Observe and describe objects moving at different speeds.

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By the end of Grade 3, students know and are able to do everything required in earlier grades and:

 

Description of Motion

 

1.3.1: Apply unbalanced forces (a push or pull) to cause objects to change their motion (e.g., speed, direction or both).

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Gravity

 

1.3.2: Investigate and describe the ways that different objects may balance or topple in various situations.

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Machines

 

1.3.3: Manipulate hammers and nails, screwdrivers and screws, scissors, and other simple tools.

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By the end of Grade 4, students know and are able to do everything required in earlier grades and:

 


Force - Any push or a pull

Content Standard 1.0: Forces and Motion

By the end of Kindergarten, students know and are able to:

 

Pressure, Density, and Buoyancy

 

K.4. 1: Observe and describe how objects behave when placed in water.

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By the end of Grade 1, students know and are able to do everything required in the earlier grade and:

 

Electrical and Magnetic Forces

 

1.1.5: Observe and describe how magnets can be used to make objects move without being touched.

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By the end of Grade 2, students know and are able to do everything required in earlier grades and:

 

By the end of Grade 3, students know and are able to do everything required in earlier grades and:

 

By the end of Grade 4, students know and are able to do everything required in earlier grades and:

 

Pressure, Density, and Buoyancy

 

1.4.4: Investigate and describe how objects can sink or float in water.

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Content Standard 2.0: Structure and Properties of Matter-Students understand that materials have distinct properties which depend on the amount of matter present, its chemical composition, and structure.

By the end of Kindergarten, students know and are able to:

 

By the end of Grade 1, students know and are able to do everything required in the earlier grade and:

 

By the end of Grade 2, students know and are able to do everything required in earlier grades and:

 

Physical Properties

 

2.2.1: Describe objects in terms of their observable properties (e.g., state of matter, size, shape, color, texture).

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Chemical Bonding

 

2.2.3: Put small objects together to form bigger objects.

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By the end of Grade 3, students know and are able to do everything required in earlier grades and:

 

Physical Properties

 

2.3.1: Describe objects in terms of their observable properties (e.g., state of matter, size, shape, color, texture).

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Chemical Analysis

 

2.3.2: Sort and classify objects according to observable properties (e.g., size, weight, shape, color).

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By the end of Grade 4, students know and are able to do everything required in earlier grades and:

 

Physical Properties

 

2.4.1: Investigate and describe properties of materials when they are combined (mixtures).

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Properties - Characteristics unique to a set of particular living or non-living things. (see 6.2).

Content Standard 2.0: Structure and Properties of Matter

By the end of Kindergarten, students know and are able to:

 

By the end of Grade 1, students know and are able to do everything required in the earlier grade and:

 

By the end of Grade 2, students know and are able to do everything required in earlier grades and:

 

By the end of Grade 3, students know and are able to do everything required in earlier grades and:

 

By the end of Grade 4, students know and are able to do everything required in earlier grades and:

 

Properties and Composition

 

2.4.5: Observe and describe that different objects and materials may be composed of parts that are too small to be seen without magnification.

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Content Standard 3.0: Energy and Matter: Interactions and Forms-Students understand that changes in temperature and pressure can alter states of matter. Energy exists in many forms, and one form can change into another.

By the end of Kindergarten, students know and are able to:

 

By the end of Grade 1, students know and are able to do everything required in the earlier grade and:

 

Changes of State

 

3.1.2: Observe and describe materials in different states (i.e. solids and liquids).

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By the end of Grade 2, students know and are able to do everything required in earlier grades and:

 

Heat and Temperature

 

3.2.1: Describe an object as hot or cold.

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Changes of State

 

3.2.2: Investigate and describe how objects can change state (e.g., melting ice cube).

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Waves

 

3.2.3: Investigate and describe how sound can be produced by vibrating objects and how it has different properties (e.g., high-low, soft-loud).

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By the end of Grade 3, students know and are able to do everything required in earlier grades and:

 

Heat and Temperature

 

3.3.1: Describe how hot or cold an object is by expressing its temperature.

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Changes of State

 

3.3.2: Investigate and describe how solid ice can melt and liquid water will disappear if allowed to stand in an open container.

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By the end of Grade 4, students know and are able to do everything required in earlier grades and:

 


Content Standard 3.0: Energy and Matter

By the end of Kindergarten, students know and are able to:

 

By the end of Grade 1, students know and are able to do everything required in the earlier grade and:

 

By the end of Grade 2, students know and are able to do everything required in earlier grades and:

 

By the end of Grade 3, students know and are able to do everything required in earlier grades and:

 

By the end of Grade 4, students know and are able to do everything required in earlier grades and:

 

Circuits

 

3.4.4: Investigate and describe how circuits can produce light, heat, sound, and magnetic effects.

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Circuit - (electrical circuit) - an assembly of electrical parts.

Earth and Space Sciences
Content Standard 13.0: Cycles of Matter and Energy

By the end of Kindergarten, students know and are able to:

 

By the end of Grade 1, students know and are able to do everything required in the earlier grade and:

 

By the end of Grade 2, students know and are able to do everything required in earlier grades and:

 

By the end of Grade 3, students know and are able to do everything required in earlier grades and:

 

By the end of Grade 4, students know and are able to do everything required in earlier grades and:

 

Energy Transfer and Transformation in the Earth System

 

13.4.7: Identify the components of our solar system (i.e. planets, moon, asteroids, comets, sun)

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Content Standard 14.0: The Solar System and the Universe-Students understand that the Earth is part of a planetary system within the Milky Way Galaxy, which is part of the known universe.

By the end of Kindergarten, students know and are able to:

 

By the end of Grade 1, students know and are able to do everything required in the earlier grade and:

 

By the end of Grade 2, students know and are able to do everything required in earlier grades and:

 

The Solar System

 

14.2.1: Observe and describe the sun, moon, planets, and stars.

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Celestial Motion

 

14.2.2: Describe the movement of some of the objects in the sky.

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By the end of Grade 3, students know and are able to do everything required in earlier grades and:

 

The Solar System

 

14.3.1: Identify the sun, moon, and the Earth as components of our solar system.

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Stars and Galaxies

 

14.3.3: Explain that there are more stars in the sky than anyone can easily count.

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By the end of Grade 4, students know and are able to do everything required in earlier grades and:

 

The Solar System

 

14.4.1: Observe and describe properties, locations, and movements of the sun, moon, stars, clouds, birds, and planes.

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Celestial Motion

 

14.4.2: Observe and describe the changes of the moon’s appearance over time.

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Stars and Galaxies

 

14.4.3: Investigate and describe how distance affects the brightness of any light source.

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The Nature and History of Science
Content Standard 18.0: Scientific, Historical, and Technological Perspectives-Students understand that humans have the unique ability to change personal and societal behavior based on ethical considerations regarding other organisms, the planet as a whole and future generations.

By the end of Kindergarten, students know and are able to:

 

By the end of Grade 1, students know and are able to do everything required in the earlier grade and:

 

By the end of Grade 2, students know and are able to do everything required in earlier grades and:

 

The Nature of Science

 

18.2.1: Explain that everybody can invent things and ideas.

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By the end of Grade 3, students know and are able to do everything required in earlier grades and:

 

The Nature of Science

 

18.3.1: Explain that science is a process that involves observing and asking questions about the natural world and seeking answers to those questions.

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Attributes of Scientific Research

 

18.3.2: Explain that accurate descriptions in science are important because they enable people to compare their observations with those of others.

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By the end of Grade 4, students know and are able to do everything required in earlier grades and:

 

Attributes of Scientific Research

 

18.4.2: Identify the components of scientific investigation (e.g. observing, collecting data, classifying)

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Content Standard 18.0: Scientific, Historical, and Technological Perspectives

By the end of Kindergarten, students know and are able to:

 

By the end of Grade 1, students know and are able to do everything required in the earlier grade and:

 

By the end of Grade 2, students know and are able to do everything required in earlier grades and:

 

By the end of Grade 3, students know and are able to do everything required in earlier grades and:

 

Science as a Collaborative Process

 

18.3.4: Give examples of the benefits of working with a team and sharing findings.

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Technology

 

18.3.5: Explain that tools are used to do things better or more easily (e.g. observe, measure, and make things) and to do some things that could not be done at all (e.g. see things that are too small to be seen unaided.

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By the end of Grade 4, students know and are able to do everything required in earlier grades and:

 

Science as a Collaborative Process

 

18.4.4: Exchange scientific observations and ideas.

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Technology

 

18.4.5: Explain that measuring instruments can be used to gather information for making scientific comparisons of objects and events for designing and constructing things that will work properly.

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Content Standard 20.0: Systems, Models, Risk, and Predictions--Students understand that a variety of models can be used to describe or predict things and events.

By the end of Kindergarten, students know and are able to:

 

By the end of Grade 1, students know and are able to do everything required in the earlier grade and:

 

Models

 

20.1.1: Use toy models (e.g. miniature cars, toy animals) to explain the things they represent.

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By the end of Grade 2, students know and are able to do everything required in earlier grades and:

 

Systems

 

20.2.3: Explain that something may not work if some of its parts are missing.

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By the end of Grade 3, students know and are able to do everything required in earlier grades and:

 

Models

 

20.3.1: Compare a model with what it represents (e.g., a model of the Earth to the Earth itself).

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Models and Predictions

 

20.3.2: Identify observable patterns and predict future events based on those patterns (e.g. seasonal weather patterns.)

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Systems

 

20.3.3: Demonstrate that when parts are put together, they can do things together they couldn’t have done by themselves.

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By the end of Grade 4, students know and are able to do everything required in earlier grades and:

 


Model - A physical, graphical, or mathematical representation of a thing or event.

Scientific Inquiry: Processes and Skills
Content Standard 21.0: Scientific Values and Attitudes-Students understand that science is an active process of systematically examining the natural world.

By the end of Kindergarten, students know and are able to:

 

Scientific Investigations

 

21.K.1: Ask questions about the world.

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By the end of Grade 1, students know and are able to do everything required in the earlier grade and:

 

Scientific Investigations

 

21.1.1: Make observations and give descriptions.

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By the end of Grade 2, students know and are able to do everything required in earlier grades and:

 

Scientific Investigations

 

21.2.1: Make observations and give descriptions using words, numbers, and drawings.

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Repeating Scientific Trials

 

21.2.2: Record observations of investigations over time in a notebook or journal. (e.g., growth of a plant, changes in weather)

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By the end of Grade 3, students know and are able to do everything required in earlier grades and:

 

Scientific Investigations

 

21.3.1: Observe and raise questions about the world, then seek answers through investigation.

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Repeating Scientific Trials

 

21.3.2: Record observations of investigations over time in a notebook or journal. (e.g., changes in an aquarium or terrarium)

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By the end of Grade 4, students know and are able to do everything required in earlier grades and:

 

Scientific Investigations

 

21.4.1: Conduct fair tests to make observations.

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Content Standard 22.0: Communication Skills-Students understand that a variety of communication methods can be used to share scientific information.

By the end of Kindergarten, students know and are able to:

 

Working With Others

 

22.K.3: Share information and ideas with others.

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By the end of Grade 1, students know and are able to do everything required in the earlier grade and:

 

Working With Graphical Models

 

22.1.2: Draw pictures that describe observations.

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Working With Others

 

22.1.3: Respect ideas and contributions of others.

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By the end of Grade 2, students know and are able to do everything required in earlier grades and:

 

Writing and Following Instructions

 

22.2.1: Follow verbal instructions accurately.

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Working With Graphical Models

 

22.2.2: Produce simple pictographs to describe observations.

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Working With Others

 

22.2.3: Cooperate and contribute ideas within a group.

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By the end of Grade 3, students know and are able to do everything required in earlier grades and:

 

Writing and Following Instructions

 

22.3.1: Follow verbal and written instructions to complete a procedure.

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22.3.2: Create illustrations, graphs, and charts to convey ideas and record observations.

 

Working With Others

 

22.3.3: Cooperate and contribute ideas within a group.

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By the end of Grade 4, students know and are able to do everything required in earlier grades and:

 


Content Standard 23.0: Scientific Applications of Mathematics-Students understand that scientific inquiry is enhanced and often communicated by using mathematics.

By the end of Kindergarten, students know and are able to:

 

By the end of Grade 1, students know and are able to do everything required in the earlier grade and:

 

By the end of Grade 2, students know and are able to do everything required in earlier grades and:

 

Estimating

 

23.2.3: Give rough estimates of numerical answers to problems before calculating.

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By the end of Grade 3, students know and are able to do everything required in earlier grades and:

 

Estimating

 

23.3.3: Give rough estimates of numerical answers to problems before calculating.

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By the end of Grade 4, students know and are able to do everything required in earlier grades and:

 


Content Standard 23.0: Scientific Applications of Mathematics

By the end of Kindergarten, students know and are able to:

 

By the end of Grade 1, students know and are able to do everything required in the earlier grade and:

 

Evaluating Measurements

 

23.1.5: Make predictions based on observed patterns.

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By the end of Grade 2, students know and are able to do everything required in earlier grades and:

 

Evaluating Measurements

 

23.2.5: Recognize unexpected or unusual results in activities.

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By the end of Grade 3, students know and are able to do everything required in earlier grades and:

 

Evaluating Measurements

 

23.3.5: Determine whether measurements and descriptions are reasonably accurate.

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By the end of Grade 4, students know and are able to do everything required in earlier grades and:

 


Content Standard 24.0 Laboratory Skills and Safety-Students can appropriately and safely apply the tools and techniques of scientific inquiry.

By the end of Kindergarten, students know and are able to:

 

By the end of Grade 1, students know and are able to do everything required in the earlier grade and:

 

By the end of Grade 2, students know and are able to do everything required in earlier grades and:

 

By the end of Grade 3, students know and are able to do everything required in earlier grades and:

 

Working Safely

 

24.3.1: Use equipment properly and safely in all science activities.

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Using Experimental Apparatus

 

24.3.3: Identify and gather tools and materials needed in an investigation.

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By the end of Grade 4, students know and are able to do everything required in earlier grades and:

 


Content Standard 24.0 Laboratory Skills and Safety

By the end of Kindergarten, students know and are able to:

 

By the end of Grade 1, students know and are able to do everything required in the earlier grade and:

 

Recording Data

 

24.1.4: Record observations.

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By the end of Grade 2, students know and are able to do everything required in earlier grades and:

 

Recording Data

 

24.2.4: Keep a record of observations and measurements taken over time.

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By the end of Grade 3, students know and are able to do everything required in earlier grades and:

 

Recording Data

 

24.3.4: Keep a record of observations and measurements taken over time.

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By the end of Grade 4, students know and are able to do everything required in earlier grades and:

 


Grades 5-12

Physical Science
Content Standard 1.0: Forces and Motion-Students understand that forces such as gravitational, electrical, and magnetic influence the motion of objects.

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

Description of Motion

 

1.5.1: Investigate and describe the relationship that exists between the size of a change in motion of an object to the size of a push or pull on that object.

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Gravity

 

1.5.2: Investigate and describe that objects usually move downward when they fall or are released in the air or on ramps.

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By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

Description of Motion

 

1.6.1: Investigate and describe the concept that some objects move so slowly or so rapidly that their motion is difficult to detect.

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By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

Description of Motion

 

1.7.1: Investigate and describe the effect of retarding forces such as friction on the motion of objects.

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Gravity

 

1.7.2: Investigate and describe the gravitational relationship that exists between the masses of objects and how far apart they are.

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By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Description of Motion

 

1.8.1: Investigate and describe that multiple forces acting on an object along a straight line affect the motion of an object.

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Gravity

 

1.8.2: Describe the force (gravity) which makes objects fall and planets move in their orbits.

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Description of Motion

 

1.12.1: Investigate and describe how changes in motion are based on the laws of motion.

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Gravity

 

1.12.2: Explain that the force of attraction that exists between two masses is inversely proportional to the square of the distance between them.

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Law -A statement about a natural event or series of events that is always true under certain conditions; can be used to make reliable predictions about nature.
Laws of Motion -A set of laws that describe relationships among force and motion;
Gravity - The attractive force between any two objects;
Force of Attraction - A pull between two objects (i.e., gravity and electrostatic attraction).

Content Standard 1.0: Forces and Motion

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

Machines

 

1.5.3: Investigate and describe that objects may move in a variety of ways (e.g., straight lines or by rotating, rolling, or revolving).

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Pressure, Density, and Buoyancy

 

1.5.4: Classify objects by whether they sink or float in air or water.

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By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

Machines

 

1.6.3: Investigate and describe how machines can use motion to do work.

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Pressure, Density, and Buoyancy

 

1.6.4: Investigate and describe the relationship between the mass and the volume of various objects.

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By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

Pressure, Density, and Buoyancy

 

1.7.4: Investigate and describe the density of solids, liquids, and gases.

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By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Machines

 

1.8.3: Investigate and describe that certain physical principles are used in the design and function of simple machines.

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Pressure, Density, and Buoyancy

 

1.8.4: Investigate and describe that buoyancy changes the apparent weight of an object immersed in a fluid.

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Machines

 

1.12.3: Investigate and describe that the usefulness of a simple machine such as a wheel or axle is based on its function, mechanical advantage, and efficiency.

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Pressure, Density, and Buoyancy

 

1.12.4: Investigate and describe the relationship that exists between force, pressure, and area in general, and between pressure and depth in liquids.

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Mechanical Advantage - The degree to which a machine makes work easier by decreasing either the force or distance needed to move something.
Efficiency- Determines how close a machine is to operating without the loss of energy due to friction.
Density -The relationship that exists between mass and volume of an object. A cube of styrofoam has less density than an equal–size cube of rock.
Pressure - Force per unit of area.

Content Standard 1.0: Forces and Motion

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

Electrical and Magnetic Forces

 

1.5.5: Investigate and describe the ways that magnets attract and repel each other and certain kinds of other materials.

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By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Electrical and Magnetic Forces

 

1.8.5: Investigate and explain that electric current produces magnetic forces, and moving magnets produce electric forces in conductors.

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Electrical and Magnetic Forces

 

1.12.5: Investigate and explain that magnetic forces are related to electric forces and can be thought of as different aspects of a single electromagnetic force. (e.g., electric motors, generators, radios).

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Conductor - A material that carries a force such as metal carries heat or electricity.
Electromagnetic Force - The unified force of electricity and magnetism.

Content Standard 2.0: Structure and Properties of Matter-Students understand that materials have distinct properties which depend on the amount of matter present, its chemical composition, and structure.

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

Physical Properties

 

2.5.1: Separate mixtures based on their properties.

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Chemical Analysis

 

2.5.2: Describe and classify matter in terms of elements, compounds, and mixtures.

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By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

Physical Properties

 

2.7.1: Investigate and describe the differences between homogeneous and heterogeneous mixtures.

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By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Physical Properties

 

2.8.1: Use simple models to explain observed properties of matter (e.g., use a particle model to account for the states of matter).

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Chemical Analysis

 

2.8.2: Separate substances based on their physical and chemical properties (e.g., color, solubility, chemical reactivity, melting point, boiling point).

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hands-on
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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Physical Properties

 

2.12.1: Investigate and describe intrinsic (color, odor, density) and extrinsic (e.g., size, mass, volume) physical properties of matter.

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Chemical Analysis

 

2.12.2: Explain that substances can be identified on the basis of specific energies given off or taken in by that substance.

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Homogeneous Mixtures - A mixture in which all of the components are evenly distributed, with no visible distinct parts; examples include salt water and air.
Heterogeneous Mixtures - A mixture in which the components are unevenly distributed, and may be seen to separate into two or more distinct parts; examples include salad dressing, sand and iron filings, and smoke in air.
Intrinsic Property - A characteristic of a sample of material related only to the quality of the material itself and not on the amount of material present; examples include density, color, odor, and hardness.
Extrinsic Property - A property of material that depends on the amount of material present, for example, mass, length, and volume.
Substance - The class of homogeneous matter made up of elements and compounds.
Chemical Reactivity - Indicates how likely a substance is to undergo change to a new substance.

Content Standard 2.0: Structure and Properties of Matter

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

Chemical Bonding

 

2.5.3: Investigate and describe the ways that solids remaining after a solvent has been evaporated may form distinctive patterns of crystals.

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By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

Atomic Theory

 

2.6.4: Explain that all matter is composed of atoms, and atoms are composed of smaller particles.

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By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

Atomic Theory

 

2.7.4: Describe atomic structure by using various historic models of the atom.

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By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Chemical Bonding

 

2.8.3: Use models or drawings to explain how atoms may join together to form molecules or large groups of molecules.

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Atomic Theory

 

2.8.4: Explain that all atoms are made up of protons, neutrons, and electrons.

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Chemical Bonding

 

2.12.3: Explain how atoms may bond with one another by transferring or sharing electrons that are farthest from the nucleus.

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Atomic Theory

 

2.12.4: Explain that the electromagnetic force between the nucleus and electrons holds the atom together.

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Matter - Anything that has mass and takes up space.

Content Standard 2.0: Structure and Properties of Matter

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

System of Particles

 

2.5.5: Investigate and describe how materials can be broken down physically into smaller and smaller pieces, and that each piece may retain its same properties.

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By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

System of Particles

 

2.8.5: Explain that liquids, solids, and gases are systems of particles.

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

System of Particles

 

2.12.5: Explain the properties of phases of matter in terms of the kinetic molecular theory and forces of attraction between particles.

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Kinetic Molecular Theory - A theory stating that all material is made of tiny particles that are in constant motion; this provides a model that is useful for describing why states of matter have their particular properties and behaviors.
Theory - An explanation or model based on observation, experimentation, and reasoning; especially one that has been tested and confirmed as a general principle helping to explain and predict natural events.

Content Standard 2.0: Structure and Properties of Matter

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

Properties and Composition

 

2.5.6: Investigate and describe how the observable properties of a material depend on its composition.

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By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

Properties and Composition

 

2.6.6: Investigate and describe how elements can combine to form new substances which often have different properties.

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By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Properties and Composition

 

2.8.6: Explain that various elements combine in a multitude of ways to produce all known living and non-living substances.

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Properties and Composition

 

2.12.6: Explain that carbon atoms can bond to one another to form a large variety of structures, including the molecules essential to life.

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Content Standard 3.0: Energy and Matter: Interactions and Forms-Students understand that changes in temperature and pressure can alter states of matter. Energy exists in many forms, and one form can change into another.

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

Heat and Temperature

 

3.5.1: Investigate and describe how warm objects cool and cool objects warm when they are put together, until they reach the same temperature.

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Changes of State

 

3.5.2: Investigate and describe how energy can be used to bring about changes in matter (e.g., melting an ice cube).

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By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Heat and Temperature

 

3.8.1: Investigate and describe how heat moves from one object to another at different rates, depending on what the objects are made of and whether they are touching each other.

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Changes of State

 

3.8.2: Investigate and describe how all phase changes are accompanied by changes in energy.

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Heat and Temperature

 

3.12.1: Explain that the transformation of energy usually results in some energy in the form of heat, which spreads by radiation, conduction, and sometimes convection into cooler places.

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Changes of State

 

3.12.2: Investigate and describe how pressure may affect changes of state.

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Content Standard 3.0: Energy and Matter: Interactions and Forms

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

Waves

 

3.5.3: Investigate and describe how vibrations produce sound.

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By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

Waves

 

3.7.3: Investigate and describe that forms of energy can travel in waves (e.g. seismic, light, radio, tv).

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By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Waves

 

3.8.3: Investigate and describe how waves transfer energy and move at different speeds in different materials.

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Waves

 

3.12.3: Investigate and describe how waves can superimpose on one another, bend around corners, reflect off surfaces, be absorbed by materials they enter, and change direction when entering a new material.

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Superimpose - To place or lay over or above something.

Content Standard 3.0: Energy and Matter: Interactions and Forms

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Descriptions of Energy and Order

 

3.8.6: Identify the energy involved in a particular process as potential (energy of position and stored chemical energy) or kinetic (energy of motion).

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Descriptions of Energy and Order

 

3.12.6: Investigate and describe how systems tend to become less ordered over time.

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Content Standard 4.0: Chemical Reaction-Students understand that chemical reactions change substances into different substances.

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

Conservation of Matter

 

4.5.1: Investigate and describe how observable changes in matter may occur when different materials are heated, mixed, or cooled.

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By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

Rates of Chemical Reactions

 

4.6.2: Investigate and describe how chemical reactions may be fast or slow.

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hands-on
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By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Conservation of Matter

 

4.8.1: Investigate and describe how in chemical reactions, the total mass is conserved and the elements involved do not change into other elements.

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Rates of Chemical Reactions

 

4.8.2: Investigate and describe how the rate of a chemical reaction can be influenced by variables such as temperature, pH, and light.

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Conservation of Matter

 

4.12.1: Investigate and describe how, in chemical reactions, elements combine in predictable ratios, and the numbers of atoms of each element do not change.

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Rates of Chemical Reactions

 

4.12.2: Investigate and describe how chemical reaction rates depend on conditions in the reacting system, the properties of reacting materials, and the presence of certain rate-regulating chemicals.

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Chemical Reaction - The process in which substances change into other substances. This occurs at the level of atoms and molecules.
Atom - The smallest part of a chemical element which can take part in a chemical reaction.
pH - A measure of the degree to which a substance is an acid or a base.

Content Standard 4.0 Chemical Reaction

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Transformation of Matter and Energy

 

4.8.3: Investigate and describe how materials may give off heat or light when they react chemically with each other.

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Chemical Properties

 

4.8.4: Predict common properties of elements using the Periodic Table.

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Transformation of Matter and Energy

 

4.12.3: Investigate and describe how chemical reactions may release or consume energy.

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Chemical Properties

 

4.12.4: Relate the chemical properties of an element to the outermost electrons of an element.

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Content Standard 5.0: Nuclear Energy and Electromagnetic Energy-Students understand that nuclear energy and electromagnetic energy are produced from both natural and human-made sources in many forms.

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

Behaviors of Light

 

5.6.1: Describe light in terms of simple properties (e.g. color, brightness).

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By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Behaviors of Light

 

5.8.1: Investigate and describe how light interacts with matter by moving through the matter, being absorbed by matter, or being scattered by the matter.

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hands-on
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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Behaviors of Light

 

5.12.1: Predict how light interacts with matter (e.g., reflection and refraction).

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Radioactive Isotopes - Very large atoms of elements that are unstable and undergo nuclear reactions to form new elements.
Nuclear Reaction - A change in the nucleus of an atom. Some nuclear reactions can result in the transfer of a tremendous amount of energy.

Content Standard 5.0: Nuclear Energy and Electromagnetic Energy

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Nuclear Wastes

 

5.8.3: Compare and contrast between high and low level nuclear wastes and their associated hazards.

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Nuclear Wastes

 

5.12.3: Describe the different disposal techniques used for high and low level nuclear wastes.

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Content Standard 5.0: Nuclear Energy and Electromagnetic Energy

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Electromagnetic Energy

 

5.8.4: Investigate and describe how the sun produces energy in a range of wavelengths within the electromagnetic spectrum.

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Nuclear Structure and Processes

 

5.8.5: Compare and contrast the nuclear processes that occur in the sun and stars as well as in nuclear reactors.

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Electromagnetic Energy

 

5.12.4: Describe electromagnetic waves including a wide range of forms and varying wavelengths.

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Nuclear Structure and Processes

 

5.12.5: Explain how the forces that hold the nucleus of an atom together are usually stronger than other forces that could make the nucleus fly apart.

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Electromagnetic Spectrum- The entire range of different types of electromagnetic waves, including visible light, X-rays, and radiowaves.
Nucleus (atomic) - The central region of an atom which contains more than 99% of the atom’s mass.

Content Standard 5.0: Nuclear Energy and Electromagnetic Energy

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Nuclear Energy

 

5.8.6: Explain how nuclear reactions convert small amounts of matter into a relatively large amount of energy.

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Nuclear Energy

 

5.12.6: Explain how energy is released when the nuclei of very heavy atoms (e.g., uranium or plutonium), split into middleweight ones, or when very light nuclei (e.g., hydrogen and helium), combine into heavier ones.

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Earth and Space Sciences
Content Standard 14.0: The Solar System and the Universe-Students understand that the Earth is part of a planetary system within the Milky Way Galaxy, which is part of the known universe.

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

The Solar System

 

14.5.1: Investigate and describe the basic components of our solar system (e.g., planets, moons, asteroids, comets, and the sun).

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Celestial Motion

 

14.5.2: Describe the apparent motion of celestial objects across the sky.

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Stars and Galaxies

 

14.5.3: Describe how the stars in the sky are not scattered evenly, and they are not all the same in brightness or color.

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hands-on
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By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

The Solar System

 

14.8.1: Investigate and describe the size, composition, and surface features of the planets in our solar system.

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Celestial Motion

 

14.8.2: Investigate and describe how seasons, eclipses, moon phases, and tides are caused by the effects of relative motion and positions of the sun, Earth, and moon.

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hands-on
online

Stars and Galaxies

 

14.8.3: Explain that billions of galaxies form most of the visible mass in the universe.

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hands-on
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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

The Solar System

 

14.12.1: Investigate and describe how the Earth’s atmosphere, water, temperature, and composition compare with conditions on other planets.

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hands-on
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Celestial Motion

 

14.12.2: Explain how most objects in the solar system are in regular and predictable motion which explains such phenomena as the day, the year, phases of the moon, and eclipses.

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hands-on
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Stars and Galaxies

 

14.12.3: Explain how stars produce energy and elements heavier than hydrogen from nuclear reactions.

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Content Standard 14.0: The Solar System and the Universe

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Tools and Methods of Astronomy

 

14.8.5: Explain how various tools (e.g., optical and radio telescopes, unmanned robotic spacecraft) allow us to investigate objects in the sky that are too distant, faint, or bright to observe directly from Earth.

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hands-on
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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Origin of the Universe

 

14.12.4: Explain that on the basis of scientific evidence, the universe is estimated to be about ten billion years old.

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Tools and Methods of Astronomy

 

14.12.5: Describe how increasingly sophisticated technology (e.g., mathematical models and computer simulations) is used to learn about the universe.

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Content Standard 14.0: The Solar System and the Universe

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Universality of Physical Laws

 

14.8.6: Investigate and describe the laws of motion and gravity and their development.

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Universality of Physical Laws

 

14.12.6: Explain that the physical laws, such as laws of Newton, Kepler, thermodynamics, relativity, and quantum physics, appear to apply to all bodies in the universe.

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The Nature and History of Science
Content Standard 18.0: Scientific, Historical, and Technological Perspectives-Students understand that humans have the unique ability to change personal and societal behavior based on ethical considerations regarding other organisms, the planet as a whole and future generations.

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

The Nature of Science

 

18.5.1: Explain that science is a systematic way of exploring the world.

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Attributes of Scientific Research

 

18.5.2: Develop explanations using observations (evidence) from investigations.

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hands-on
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By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

The Nature of Science

 

18.8.1: Explain that scientific investigations involve the use of logic, respect for the rules of evidence, openness to criticism, and public reporting of methods and procedures.

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Attributes of Scientific Research

 

18.8.2: Explain that scientific inquiry done in a school setting is similar to what scientists do.

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

The Nature of Science

 

18.12.1: Explain that the scientific way of knowing uses a critique and consensus process (e.g., peer review, openness to criticism, logical argument, skepticism).

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Attributes of Scientific Research

 

18.12.2: Investigate and explain how research emphasis is influenced by economic and public policy.

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Content Standard 18.0: Scientific, Historical, and Technological Perspectives

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

The History of Science and Invention

 

18.5.3: Describe key scientists, classical experiments in science, and technological inventions that lead to a better understanding of the impact of science on society.

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hands-on
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Science as a Collaborative Process

 

18.5.4: Recognize and explain that science is an activity done by more than one person working together.

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By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

The History of Science and Invention

 

18.7.3: Investigate and describe how people create models to explain the world as scientific knowledge has increased, and that these models are modified or discarded.

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hands-on
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By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

The History of Science and Invention

 

18.8.3: Explain, using examples, that ancient peoples provided knowledge about the natural world that is still regarded as valid today, even though that knowledge may not have originated by scientific methods.

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Science as a Collaborative Process

 

18.8.4: Explain that scientists may work in teams and some may work alone, but all communicate extensively with each other.

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hands-on
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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

The History of Science and Invention

 

18.12.3: Investigate and explain how scientific innovations that were originally challenged are now widely accepted.

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Science as a Collaborative Process

 

18.12.4: Explain that scientists work with others to resolve differences in interpretation of observations.

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Content Standard 18.0: Scientific, Historical, and Technological Perspectives

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

Technology

 

18.5.5: Explain that technology enables scientists and others to study the motion of objects that are moving rapidly or that are hardly moving at all.

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hands-on
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By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

Technology

 

18.6.5: Identify and describe various technological tools that scientists use to help them do their work.

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hands-on
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By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Technology

 

18.8.5: Explain that scientific inquiry and technological design have similarities and differences. Scientists propose explanations for questions about the natural world and engineers propose solutions relating to human problems, needs, and aspirations.

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hands-on
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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Technology

 

18.12.5: Explain that technological problems create a demand for new scientific knowledge and new technologies which make it possible for scientists to extend their research in new ways or to undertake entirely new lines of research.

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Content Standard 18.0: Scientific, Historical, and Technological Perspectives

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

The Dynamic Character of Scientific Knowledge

 

18.5.6: Explain that science is an ongoing process of investigation (inquiry).

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hands-on
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By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

The Dynamic Character of Scientific Knowledge

 

18.8.6: Explain that scientific knowledge is revised through a process of incorporating new evidence gained through continual investigation.

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Scientific Ethics

 

18.8.7: Identify and describe how science is subject to strengths and limitations related to other human social and intellectual activities.

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

The Dynamic Character of Scientific Knowledge

 

18.12.6: Explain that scientific knowledge builds on previous information, and rarely are entire theories completely discarded in favor of new ones.

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Scientific Ethics

 

18.12.7: Explain that scientists have ethical procedures, violations of which have consequences.

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Content Standard 19.0: Reasoning and Critical Response Skills-Students understand that many decisions require critical consideration of scientific evidence.

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

Analyzing Systems

 

19.6.3: Investigate and describe the components of systems (including processes or parts).

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By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

Analyzing Systems

 

19.7.3: Identify and describe how the parts of a system relate to one another and/or to other systems.

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hands-on
online

By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Evaluating Data

 

19.8.1: Identify and evaluate critically the use of statistics, data, and graphs.

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Analyzing and Evaluating Benefits and Risks

 

19.8.2: Give examples of human activities with their associated benefits, costs and risks.

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Analyzing Systems

 

19.8.3: Analyze and describe a system for efficiency, optimal function, and possible sources of malfunction.

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Evaluating Data

 

19.12.1: Identify and determine the credibility of sources of information based on the techniques used to gather that information.

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Analyzing and Evaluating Benefits and Risks

 

19.12.2: Apply cost benefit and risk analyses in decision-making processes.

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Analyzing Systems

 

19.12.3: Recognize and describe situations in which a system is qualitatively different from the parts which comprise it (e.g., how a population differs from an individual).

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Content Standard 19.0: Reasoning and Critical Response Skills

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

Critical Analysis

 

19.5.4: Explain that claims must be supported by evidence and logical argument.

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By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

Critical Analysis

 

19.6.4: Distinguish between fact and opinion when responding to information.

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By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Critical Analysis

 

19.8.4: Critically evaluate information to distinguish between fact and opinion when responding to information.

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Critical Analysis

 

19.12.4: Distinguish between hypotheses, laws, theories and rules, and explain the level of their limitations.

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Critical Evaluation

 

19.12.5: Determine the limits of generalizations, assumptions, analogies, and models.

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Scientific Inquiry: Processes and Skills
Content Standard 20.0: Systems, Models, Risk, and Predictions-Students understand that a variety of models can be used to describe or predict things and events.

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

Models

 

20.5.1: Develop a physical model to explain how something works or how something is constructed.

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Models and Predictions

 

20.5.2: Predict that some events are more likely to happen than others.

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By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

Models and Predictions

 

20.6.2: Analyze data to predict likely outcomes (e.g., how temperature range can affect the survival rate of a species).

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By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Models

 

20.8.1: Investigate and describe how different models can be used to demonstrate the same thing.

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Models and Predictions

 

20.8.2: Use a model to predict change (e.g., stream table).

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Models

 

20.12.1: Use mathematical symbols and formulas to express relationships that behave in the same ways as the objects or processes under investigation.

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Models and Predictions

 

20.12.2: Use models to identify and predict cause-effect relationships (e.g., effect of temperature on gas volume, effect of carbon dioxide level on the greenhouse effect).

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Content Standard 20.0: Systems, Models, Risk, and Predictions

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

Systems

 

20.5.3: Describe and compare the components and interrelationships of a simple system (e.g., trace the flow of water through an aquarium, a filter, and a pump).

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By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Systems

 

20.8.3: Identify and illustrate natural cycles within systems (e.g., water, planetary motion, climate, geological changes).

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Statistical Modeling

 

20.8.4: Analyze data from two groups, comparing both their middles and ranges.

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Risk Analysis

 

20.8.5: Use a systematic approach to thinking critically about risks and benefits.

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Systems

 

20.12.3: Identify and describe how systems are often different from their components. (e.g., aquaria or automobiles)

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Statistical Modeling

 

20.12.4: Compare groups of data, taking into account both percentages and actual numbers.

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Risk Analysis

 

20.12.5: Identify the type of hazard, estimate the extent and consequences of exposure, and determine the options for reducing or eliminating risks.

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Content Standard 21.0: Scientific Values and Attitudes-Students understand that science is an active process of systematically examining the natural world.

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

Scientific Investigations

 

21.5.1: Keep records of investigations and observations, without changing those records later.

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Repeating Scientific Trials

 

21.5.2: Make careful observations and test things more than once.

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Generating Multiple Explanations

 

21.5.3: Offer reasons for findings and consider the reasons suggested by others.

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By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Scientific Investigations

 

21.8.1: Explain why it is important to keep honest, clear, and accurate records.

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Repeating Scientific Trials

 

21.8.2: Explain that hypotheses are valuable even if they turn out to be incorrect, if they lead to fruitful investigations.

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Generating Multiple Explanations

 

21.8.3: Describe how different explanations can often be given for the same evidence, and it is not always possible to tell which one is correct.

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Scientific Investigations

 

21.12.1: Demonstrate curiosity, honesty, and skepticism in doing science.

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Repeating Scientific Trials

 

21.12.2: Repeat experimentation for statistical analysis and to produce conclusions that are without bias.

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Generating Multiple Explanations

 

21.12.3: Evaluate multiple explanations for the same evidence.

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Content Standard 22.0: Communication Skills-Students understand that a variety of communication methods can be used to share scientific information.

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

Writing and Following Instructions

 

22.5.1: Give written or oral instructions that others are able to follow.

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Working With Graphical Models

 

22.5.2: Organize information into charts, tables, and graphs.

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Working With Others

 

22.5.3: Collaborate on a group project.

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By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Writing and Following Instructions

 

22.8.1: Write clear, step-by-step instructions for a procedure.

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Working With Graphical Models

 

22.8.2: Organize information in tables and graphs and describe the relationships they reveal.

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Working With Others

 

22.8.3: Discuss scientific topics by paraphrasing, asking for clarification or elaboration, and expressing alternative positions using available multimedia resources.

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Writing and Following Instructions

 

22.12.1: Analyze experimental procedures and suggest appropriate revisions for improvement.

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Working With Graphical Models

 

22.12.2: Use tables, charts, and graphs in making arguments and claims in oral and written presentations.

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Working With Others

 

22.12.3: Discuss scientific topics by restating or summarizing accurately what others have said; ask for clarifications or elaborations, and express alternative positions using available multimedia resources.

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Content Standard 23.0: Scientific Applications of Mathematics_Students understand that scientific inquiry is enhanced and often communicated by using mathematics.

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

Variables

 

23.5.1: Explain that sometimes changing one thing causes changes in another.

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Computing

 

23.5.2: Explain to other students how to go about solving numerical problems

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Estimating

 

23.5.3: Make quantitative estimates of familiar lengths, weights, and time intervals, and check them by measurements.

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By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Variables

 

23.8.1: Explain that quantities can vary in proportion to one another. (e.g., the ratio of mass to volume in the calculation of density).

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Computing

 

23.8.2: State the purpose of each step in a calculation.

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Estimating

 

23.8.3: Estimate probabilities of outcomes in familiar situations.

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Variables

 

23.12.1: Determine if the correlation between variables is high or low.

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Computing

 

23.12.2: Use algebraic equations when appropriate.

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Estimating

 

23.12.3: Estimate answers to the correct order of magnitude.

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Content Standard 23.0: Scientific Applications of Mathematics

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

Working With Measurements

 

23.5.4: Recognize the appropriate unit for a particular measurement (e.g., meters for length, seconds for time, and kilograms for mass). (aligns with grade 3 math standard)

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Evaluating Measurements

 

23.5.5: Recognize that repeated measurements of the same thing are likely to vary slightly.

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By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Working With Measurements

 

23.8.4: Select and use the appropriate SI unit for a particular measurement (e.g., meters for length, seconds for time, and kilograms for mass).

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Evaluating Measurements

 

23.8.5: Judge whether repeated measurements and computations of quantities are reasonably precise and accurate.

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Validity of Samples

 

23.8.6: Make predictions based on all known data from similar conditions.

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Working With Measurements

 

23.12.4: Use derived quantities, ratios, proportions, and constants.

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Evaluating Measurements

 

23.12.8: Trace the source of differences between an estimate and the calculated answer that exceeds agreed-upon standards for precision.

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Validity of Samples

 

23.12.6: Select samples by some random system to avoid bias.

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Content Standard 24.0: Laboratory Skills and Safety-Students can appropriately and safely apply the tools and techniques of scientific inquiry.

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

Working Safely

 

24.5.1: Use safety equipment and attire.

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Working With Chemicals

 

24.5.2: Measure and mix dry and liquid materials safely in prescribed amounts.

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Using Experimental Apparatus

 

24.5.3: Use provided materials to construct objects for a particular task.

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By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

Working Safely

 

24.6.1: Use safety equipment and attire.

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By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

Working Safely

 

24.7.1: Use safety equipment and attire.

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By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Working Safely

 

24.8.1: Use instruments and laboratory safety equipment properly.

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Working With Chemicals

 

24.8.2: Handle and dispose of chemicals according to established standards.

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Using Experimental Apparatus

 

24.8.3: Choose appropriate common materials for making and repairing simple mechanical constructions.

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Working Safely

 

24.12.1: Demonstrate personal responsibility for using safety equipment and observing all safety standards.

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Working With Chemicals

 

24.12.2: Use the information found in materials safety data sheets to handle, store, and dispose of chemicals properly.

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Using Experimental Apparatus

 

24.12.3: Inspect, manipulate, and describe the functions of various parts of technical and scientific equipment.

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Content Standard 24.0: Laboratory Skills and Safety

By the end of Grade 5, students know and are able to do everything required in previous grades and:

 

Recording Data

 

24.5.4: Label measurements and diagrams properly.

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Writing and Following Laboratory Procedures and Problem Solving

 

24.5.5: Use appropriate technology in lab procedures for measuring and recording.

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Designing and Conducting Experiments

 

24.5.6: Manipulate objects and observe events in an experiment.

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By the end of Grade 6, students know and are able to do everything required in previous grades and:

 

By the end of Grade 7, students know and are able to do everything required in previous grades and:

 

By the end of Grade 8, students know and are able to do everything required in previous grades and:

 

Recording Data

 

24.8.4: Keep an organized record of scientific investigations.

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Writing and Following Laboratory Procedures and Problem Solving

 

24.8.5: Use appropriate technology in laboratory procedures for measuring, recording, and analyzing data (e.g., computers, graphing calculators, and probes).

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Designing and Conducting Experiments

 

24.8.6: Design a controlled experiment.

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By the end of Grade 12, students know and are able to do everything required in previous grades and:

 

Recording Data

 

24.12.4: Maintain a permanent record of procedures, data, analyses, decisions, and understandings of scientific investigations.

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Writing and Following Laboratory Procedures and Problem Solving

 

24.12.5: Write procedures for the investigation of delegated or original scientific problems.

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Designing and Conducting Experiments

 

24.12.6: Carry out an independent scientific investigation.

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