Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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!

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

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

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

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

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Making your own glass cleaner is easy, effective and inexpensive!

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

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

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

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

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

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

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

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

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

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

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

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

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

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.