What is a really easy science project for a 14 year old that is not a volcano?

Question

What is a really easy science project for a 14 year old that is not a volcano?

Answer 1

Get a bunch of different brands of batteries and test how long they last under load.  Patience is required, but nothing is difficult or expensive.

Answer 2

have you ever tried the egg and vinegar one

like you soak a boiled egg in vinegar for a couple of days, do some other c**p to it and it become sbouncy :D:D

Answer 3

http://sciencespot.net/Pages/kdzgen.html

that site has links to a bunch of other science fair sites...maybe you find something that looks interesting