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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.

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

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

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

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

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

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

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

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Engineers in training can get started with this simple wheel-and-axle construction activity.

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

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

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

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

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

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!

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!

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

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.

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

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

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.

This homemade parachute toy is incredibly easy to build. Plus, it gives kids an excuse to investigate and experiment...the backbone of kindergarten science.

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.

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.