Make a simple generator that will help show how electricity is produced.
A generator works because the magnets are exciting the electrons in the coil. The magnet moving back and forth creates alternating current (AC). That is the electrons are moving back and forth through the coils and the LED (light emitting diode). The excited electrons passing through the LED lights the LED.
This idea for our first instructable came from Jonathan Hare at http://www.creative-science.org.uk/gensimple1.html
Check out our website at catsscience.com
Step 1: Materials
Thin insulated copper wire*
Magnets that just fit in canister**
Scissors or wire cutters
*We used 30 guage magnet wire
**Neodymium magnets work best but we were able to get the light to turn on with ceramic magnets (much cheaper).