Physical Science

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

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

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.

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.

Your child will be hooked on chemistry after she builds a model volcano by combining an acid and an alkaline substance.

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.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

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

This surprisingly good glue recipe comes from common kitchen items.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Invite your middle schooler to bungee jump ... with eggs! This experiment will demonstrate Newton's laws of physics in an entertaining way.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

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!