This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

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

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.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

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