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

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

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

This science fair project idea produces varying pitches of sound.

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

This science fair project idea produces sounds by creating vibrations using different objects.

This science fair project idea experiments with spinning color wheels and optical illusions.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

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

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

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

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

Try this chemistry experiment with your curious kid and get some "shocking" results!

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

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.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

An home science experiment for older students that teaches about the science behind heat.

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

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

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

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

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

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

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

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

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.