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!

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

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

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

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

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

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

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

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

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.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

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

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

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

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

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

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

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

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

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!

This science fair project idea produces varying pitches of sound.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

In this fun activity, your child will create their very own solar oven to bake s'mores!

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!

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!