This activity demonstrates the additive properties of light. Different-colored lights are shown on the same spot on a screen so that the reflecting light is white. Colored shadows, however, can be made by holding an...
This site contains an activity utilizing a Cartesian diver, a tube that barely floats when placed in water. The diver is made from a condiment packet and placed in a squeezable plastic bottle where it will float, sink,...
This site contains an activity demonstrating how one's eyes influence each other and what occurs when two eyes receive conflicting information. The participant looks through a paper tube with only one eye to perform...
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