Example Science Projects Of Which Paper Towel Is The Most Absorbent What Is A Good Science Project Idea?

What is a good science project idea? - example science projects of which paper towel is the most absorbent

I need an idea of science. It should be like: lima beans grown in full sunlight and increased black box with a damp paper towel in a Zip-Loc bag. That was my project, science fair, but that's not going to work. I need a new one. plz help! ♥