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

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

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

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.

Blanket forts are a kid classic! Let your child create a âfortress of solitudeâ on his own for reading, telling scary stories or for cozy cocooning.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

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

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

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

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.

The purpose of this science fair project is to build a basic radio.

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

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

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

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

This surprisingly good glue recipe comes from common kitchen items.

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

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

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

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

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.

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

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.