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This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

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

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

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.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

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

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

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

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.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

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

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

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.

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Bring the magic and mystery of the night sky to the light of day with this fun constellation art 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 activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

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.

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

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

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

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.