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Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

Experiment With Sound Waves

Teach your little scientist the difference between physical and chemical changes, on a molecular level.

Physical and Chemical Changes

Teach your child how butter is created by shaking up cream the old-fashioned way.

Make Your Own Butter!

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Homemade Frozen Yogurt

Discover some of the fascinating properties of gravity by studying one of Newton's famous laws, the Law of Gravitation.

Law of Gravity

Learn about drag, air resistance, and Newton's laws with this cool worksheet on bobsled physics!

Bobsled Physics

What happens when colored beams of light mix? You might be surprised.

Adding Colors: An Optical Experiment

Play a fun game that combines the periodic table with a classic concentration game.

Periodic Table Game

This science fair project idea produces varying pitches of sound.

Changing the Pitch of Sound

Using an empty tennis ball can and a swimming pool, you will determine if it&#39;s possible to have a conversation under water.

Speaking Under Water

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

Make a Better Paper Airplane 

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

Try Water Science Trickery!

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

High Frequency Hearing Test

In this teacher-approved lesson, students will make and play with oobleck (corn starch and water), then write about their experiments. Young scientists will have a blast seeing their oobleck mixtures seemingly come to life.

Ooey Gooey Oobleck

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Make a Fistful of Slime!

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

Playground Physics

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Make Your Own Soap

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Mirrors and Reflection of Light

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

How Strong are a Bird's Bones?

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

Egg in a Bottle

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

Make Ice Cream in a Baggie!

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

Testing the Solubility of Common Liquid Solvents

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Create a Collection That Rocks!

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Make a Temperature Tracker

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

Radio Waves, It's In The Air: Build A Basic Radio

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

Talking to Plants

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.

Bake a Chemistry Cake

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

How to Make a Cartesian Diver

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

A Trick for the Eyes: Color Wheels and Optical Illusion Tops

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Sink or Swim: Calculating Density of Fruits and Vegetables

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