Overview
Electricity – what is it?Why is this girl’s hair standing up? Static electricity was the first kind of electricity that people discovered. We can all produce it by stroking a cat or rubbing a balloon1. Electricity can do useful work – if you use the correct device you can get heat, light, motion or other forms of energy from electricity. Survey a classroom or a room in your house and find the electrical appliances. You could make a list like the one below. |
Static versus current |
Links
- http://phet.colorado.edu/en/simulation/balloons
- http://www.thetech.org/exhibits/online/topics/11b.html
- http://hyperphysics.phy-astr.gsu.edu/hbase/electric/vandeg.html
- http://www.codecheck.com/cc/BenAndTheKite.html
- http://dsc.discovery.com/tv-shows/mythbusters/mythbusters-database/ben-franklin-electricity.htm
- http://www.thetech.org/exhibits/online/topics/1xb_flash.html