Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

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

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

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

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

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.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

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

Teach your child how butter is created by shaking up cream the old-fashioned way.

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

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.