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

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

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!

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.

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

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

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

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

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

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!

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

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

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

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?

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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

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

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

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

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.

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

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Try this chemistry experiment with your curious kid and get some "shocking" results!

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.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.