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

Discover how and which salt melts ice the quickest.

In this science fair project, students make their own rain gauge to measure rainfall.

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 science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

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

This science fair project idea explores the different properties of matter.

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

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.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

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

This science fair project idea identifies trees using a dichotomous key.

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.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

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.

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.

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.

Start your toy engines -- this is going to be a fast and friction-filled race!

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

In this design challenge, your child will make a bottle rocket using typical household items.