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 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...
This activity demonstrates the magnetic field induced by a current-carrying wire. A group of compasses are arranged around the wire indicating when a magnetic field stronger than the Earth?s field is produced. M...
This activity from the Exploratorium provides a technique for determining the center of gravity of a long, thin object using only one?s hands. A yard stick, with a piece of clay to displace its center of mass, is p...
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