This activity is concerned with the magnetic field generated by a current-carrying wire. Two current-carrying wires are placed near each other as forces push them apart or pull them together. Materials needed,...
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...
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,...
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