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.

This science fair project idea investigates how the shape of an object affects drag.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

This science fair project idea investigates how magnetism can defy the force of gravity.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

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.

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Do different types of oil mix or stack? Find out in this science fair project idea!

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

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.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

In this experiment you will replicate the mummification process by making a hot dog mummy.

This science fair project teaches students about wilting and browning of salad greens.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?