Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

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

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

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

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

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

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

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.

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.

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

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.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

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?

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

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

An home science experiment for older students that teaches about the science behind heat.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

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

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

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

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

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.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.