This science fair project idea determines which method of hand cleansing is the most effective.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

In this fun activity, your child will create their very own solar oven to bake s'mores!

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

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

Find out whether a longer airplane will fly farther or a wider paper airplane.

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

Science fair project that examines condensation and the conditions needed in order for dew to form.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

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

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

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.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

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.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

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

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.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

This clay "painting" activity encourages and supports creative development and critical thinking skills.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!