A magnet within a coil is shook up and down, producing a current that lights up an LED.
Equipment:
1. Coil and magnet 2. 2 B-A leads 3. LED (bi-color)
Procedure:
1. Be sure the magnet is in the coil and that the LED is connected to the coil. 2. Shake the coil and observe the illumination of the LED. 3. Note the color changes in the LED as the current changes direction.