43.

1. Why do you think the Doppler Effect, when it affects light, is called a red-shift or a blue-shift?

2. Find out how night-vision equipment works - report your findings and sources here.

3. Why do some fun house mirrors make one look fat or skinny? Can you explain it?

4. Since color is a function of reflected light, what affect do you think colored light will have on the colors we perceive?

5. Find out what it means to be color-blind, and report your findings and sources here.