I goos science fair topic?

Question

I need a good science fair topic that is not very complicated, but is not so simple either that will make you bored.

Answer 1

potatoes generate electricity

air and salt water batteries
light bulbs


volcanos are still cool baking soda and vinager.
here are some good ones . good luck.

http://www.scienceproject.com/


here are morehttp://hubpages.com/hub/Best_Science_Project_Ideas