Student Page - Homework
Activity 7 Experimenting with Exposure Time

1. Let’s review our funnel to telescope system analogy.

1. The mouth of the funnel compares to  ______________________________________ .

3. The  small end of the funnel is analogous to   _________________________________ .

4. Water flowing down the funnel reminds us of the ______________________________ .

5. The container catching the water corresponds to  ______________________________ .

2. The CCD camera is like a bucket because. . . .

3. What is the main difference between your eye and a CCD camera?

4. The experimental variable is the thing we change in the experiment.  What is the experimental variable for this experiment?

5. In a good experiment we change the experimental variable while trying to keep everything else the same.  List some things the people who took these images had to try to keep the same from one image to the next so that we could make a fair comparison.
   
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