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

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

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

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

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

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

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

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

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

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

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

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

What happens when colored beams of light mix? You might be surprised.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

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

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.