Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

This science fair project idea investigates whether air has mass and weight.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

In this project, a basketball containing different psi is dropped to see how well it bounces.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?