Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

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

This science fair project idea investigates how magnetism can defy the force of gravity.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Children use their design thinking skills and powers of observation to create and construct a bird nest.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

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

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

This science fair project idea determines what household items are good conductors of electricity.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.