You will use:
A small mirror
A flashlight
Do this:
Place the mirror on the floor. Shine a flashlight on it. A patch of light will appear on the ceiling or nearby wall. Move the mirror quickly. Move it slowly. Direct it to other parts of the room.
Why Does it work?
Some rays of light landed on the mirror and bounced right off- that is, the light rays were reflected to wall.
If you notice carefully, you will see that the rays reflect off the mirror at exactly the same slant, or angle, that they hit it. This shows us to that light travels in straight lines.
People in hot climates wear white clothing. Why? We learned that white is light-colored materials reflect light well, and black or dark-colored materials absorb it well.
Rays reflect off mirror at the same angle they hit it.
So in the summer it is wise to wear white light-colored clothing that will reflect the sun's hot rays away from you. Dark-colored or dark clothing will absorb the sun's hot rays and make you feel very hot.
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