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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.

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.

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

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!

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.

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

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.

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!

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

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

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!

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

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.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

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

This science fair project idea produces sounds by creating vibrations using different objects.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?