findings, conclusions, or recommendations expressed in this material are
those of the developer, PASSPORT TO KNOWLEDGE, and do not necessarily
reflect those of the National Science Foundation.
PASSPORT TO THE SOLAR SYSTEM: Educators Imaging Lessons
Student Worksheet for Lesson B
Mars Mystery Spot:
Other tools in NIH Image let you study further the image of Warrego Vallis.
Again start up NIH Image and open the image of Warrego Vallis. The
file is titled Warrego.tif.
Write down all the information in
the title bar after opening the image.
In the Tools window you will see a picture of a magnifying glass
is just above the grabber hand). Select the magnifying glass and click at
least 3 times, any where on the image.
Write down all the information in the title bar after you magnify
Click two more times on the picture. Watch the title bar of the Warrego
Vallis window as you click on the image with the magnifying glass. Write
down all the information in the title bar after you magnify two more times.
Now go back to the Tools window and double click fast on the
magnifying glass tool.
Write an instruction that will show a student new to NIH Image
how to reset the magnifying tool. Answering the new a students question
"How do I reset the magnifying glass tool?"
Magnify your Warrego Vallis image. Now hold down the key on the keyboard
that has the word "Options" written on it. With the options key down
click on the image again. Let go of the options key and click again on
Describe what happens when you use the option key with the
NOTE-The change in the arithmetic sign inside the magnifying glass with
use of the option key and the Magnifying tool.
What do you think the ratio in the title bar means?
Write the following ratios as a multiplication problem? Then
solve the problem?