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This project compares the strength of one, two, and three-ply toilet paper.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

In this experiment we will be determining whether birds prefer certain colors of seed.

This science fair project idea explores whether talking to a plant will help it grow.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

This science fair project idea explores how length affects the weight a bridge can hold.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

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

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?

In this project students experiment with making music using only glasses of water.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

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

This science fair project idea examines which type of insulation holds in the most heat.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Plants and light seem to be good buddies, but how far does the friendship really go?

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This science fair project idea investigates if webbed feet help a duck (and others) swim.