Find a room that can be made completely dark. In the room, tape a piece of white paper on the wall at eye level. Turn on the flashlight, and turn off the lights in the room. Observe what the light looks like as it hits the white paper. Next, place the clear plastic in front of the flashlight. Does the plastic affect how the light hits the paper on the wall? If so, how?
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Find a room that can be made completely dark. In the room, tape a piece of white paper on the wall a...
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