Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

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

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

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

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

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.

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

Introduce your child to science with something they see everyday--their shadow!

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

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

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

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

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!

This classic children's game demonstrates how sound travels through air vs. through a solid.