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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

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

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

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

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.

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

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

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

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

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.

This science fair project idea explores whether talking to a plant will help it grow.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

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

This surprisingly good glue recipe comes from common kitchen items.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

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

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

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

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

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

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

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

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

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.