Is it safe to reuse a bottle over and over? Science fair - help!?

Question

Is this a good topic: Is it safe to reuse the same water bottle over and over?

or this one:

How to create a wind generator to create electricity.

I am in the eighth grade and I want to create something exciting, fun, and interesting!

Answer 1

Water bottle doesn't sound too exciting.  Here is a kit that will help you make an electric generator.  Good luck with it.