This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with this cool science fair project.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

This science fair project idea produces varying pitches of sound.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Could there be toxic chemicals lurking in the cupboards and closets of your home?

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

Cleaning can be a chore, but not with this sudsy experiment!

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

The goal of this project is to create an exciting topographical map out of dough.