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

Volcano Project

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.

Blow It Out!

This awesome diffraction grating experiment puts high school students&#39; applied math skills to the test by having them calculate the wavelength of laser light.

Diffraction Grating Experiment: Wavelength of Laser Light

How powerful is the reaction between baking soda and vinegar? Find out here!

Baking Soda and Vinegar Balloon

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

How Different are Sounds from a Phone, a Computer, and a Mouth?

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

How Well Does Sound Travel Through a Gas? A Liquid? A Solid?

Learn how matter transmits sound with a simple, hands-on experiment using sand, water and air.

What Does It Matter?

Discover different types of energy with this third-grade science worksheet!

Identify Forms of Energy #1

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Mini Waterfall

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

Flashlight Science: Transparent or Opaque?

What do you get when you combine science and fairies? Fairy scientists who make their own potion, of course! This activity promotes critical thinking skills as your child mixes, experiments, and creates their very own fairy potions.

Make Your Own Fairy Potion

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

Comparing Additive and Subtractive Color

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

Test for Acids or Bases Using...Flowers!

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

Echolocation Demonstration

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.

Food Coloring in Water

Let your 1st grader become a mad scientist in this fun science board game, and encourage her to become a lover of the interesting subject.

Science Board Game

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

Fizzy Water

Future whistleblowers can learn about product safety standards with this exercise in writing and researching.

Consumer Product Safety

This classic children&#39;s game demonstrates how sound travels through air vs. through a solid.

How Sound Travels Through Air and Solids

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

Testing the Solubility of Common Liquid Solvents

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.

Candle Burning Experiment

Introduce children to physicist Albert Einstein — and a bit of theoretical physics — with this mini biography.

An Introduction to Albert Einstein

Blanket forts are a kid classic! Let your child create a âfortress of solitudeâ on his own for reading, telling scary stories or for cozy cocooning.

Blanket Fort

This science project examines the history of earthquakes and what we can do to prevent future disasters.

Earthquakes: What Can We Learn from History?

Children will connect their understanding of gases to real-world items as they circle all of the pictures showing gases.

Matter Mixup: What Is a Gas?

Kids write down examples of solids, liquids, and gases in this 1st grade physical science worksheet that focuses on the states of matter.

Matter Mixup: Writing Solids, Liquids, and Gases

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.

Bake a Chemistry Cake

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

Vinegar and Baking Soda Balloon

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

Ready, Aim, Marshmallows!

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

Adding Colors: An Optical Experiment

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