Is There A Science Fair Project Relating To Guitars Or Guitar Tuning?

I am also 13 was looking for the same type of project recently and I thought of trying to find out how much weight a guitar sting could withstand until it snapped.

Yes, I can give you a couple of web links where you can find the science fair project about Guitar. Visit the following links.Guitar Project
Guitar Project2

I have a HUGE! Science fair projec due and I really need some help.