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

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

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

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

This science fair project idea experiments with spinning color wheels and optical illusions.

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.

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

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

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

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

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

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

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

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

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

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

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!

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.

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

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

This science fair project idea produces varying pitches of sound.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.