4th, 5th (b)

Eli Whitney Museum

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Electromagnet

New Electromagnet

Understand electricity through the same experiments that early scientists used. Wind a coil of wire. Suspend a bar magnet in it. Charge the coil with a battery to spin the magnet. Test polarity. Discover the origins of motors and Morse Code.

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ElectriCity

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Switch on understanding. Construct a house with a power source. Connect positive and negative test bars with contact points and switches for you to test different configurations of incandescent and LED lights. Test it. Understand series and parallel circuits. Test them. Rearrange them. Test again. Then experiment with other challenges.... Lessons in electricity and thinking.

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Reversing Switch & Buggy

Reversing Switch Buggy

A battery's current flows in one direction. Clever arrangement of switches can reverse that direction. Construct a controller with a battery, motor and ultralight buggy which can go forward or backward. Learn wiring logic, precision, and trouble shooting.

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Sustainable Energy

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Windmills have captured renewable energy for up to 2000 years. In new forms, wind machines will harness even more power in the future. Construct a classic whirligig to control, measure and apply wind power. With adjustable rotors.

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