1. What are some ways in which materials affect how light is transmitted? 3. In order for an object to appear white, which wave lengths must the light contain and the object reflect?

4. If you are a firefighter searching a smokefilled apartment. Would you want to use a stronger ligt to help you see better? Why or Why not.

6.If you focus a red light, a green light, and a blue light on the same part of a black curtain, what color will the curtain appear to be? Why?