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.

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 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.

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.

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.

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.

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.

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

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

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

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

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.

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

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

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock. Show your sixth grader how!

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

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

Experiment with the wonders of pressure and condensation by crushing a soda can with nothing but air and water!

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