Good highschool science fair project?

Question

i am a freshman in highschool and am enrolled in a very advanced science class, it requires a science fair score of atleast 85/100 to pass, any good ideas that are relatively easy to test and require little advanced equipment

Answer 1

I think anything demonstrating Boyle's law, PV= nrT, is pretty interesting.  There are plenty of demonstrations illustrating this principle, and you can do a write-up on how this concept affects nearly every aspect of our lives.

Also interesting is how airplane jet engines work.  I researched it, and "lift" is an awesome concept.

Answer 2

Information is below.