This science fair project idea explores substances that cause a bubble to last longer.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.