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

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

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

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

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.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

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

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.

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.

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!

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

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

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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

Start your toy engines -- this is going to be a fast and friction-filled race!