In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

In this project children practice the scientific method while playing with puffy paint.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

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

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Discover which fabrics shrink the most in the wash and why.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Find out whether packaged seeds actually do expire in this new science fair project idea.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Find out whether matte or shiny nail polish lasts longer.

Check out this cool science fair project on identifying rocks and minerals for kids.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

This science fair project idea investigates if fats add to the flavor of food.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This biodiversity project examines the biodiversity in your own backyard.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

This science fair project idea provides evidence that air is everywhere and takes up space.

This science fair project idea explores the egg's thin membrane.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.