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

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

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.

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

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

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

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!

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

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.

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

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!

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

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

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

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

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

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

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!

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

Learn with makes water molecules work with this fun and easy science activity!

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

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