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

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

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.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

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

In this fun activity, your child will create their very own solar oven to bake s'mores!

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

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

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

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!

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

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.

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!

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

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

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

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.

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.

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