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

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

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

If your child aspires to be the next Frank Lloyd Wright, we've got some tips on building sand castles that last.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

This activity is a great way to teach kids that, to find examples of science in action, they donât need to look any further than their own backyard.

How powerful is the reaction between baking soda and vinegar? Find out here!

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

This easy project for little hands uses mushroom spores to make an imprint of the mushroom, and the result is very beautiful.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

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

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

This science fair project explores how osmotic pressure forces water through the root up into the plant.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Help your child build her very own science laboratory at home for experiments and science projects. This is a quick, easy, and fun educational tool!

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

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.