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What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

This science fair project idea provides evidence that air is everywhere and takes up space.

Are you tired of the same old Easter egg dying routine? Does your kid love to try new art techniques? If so, try making Easter eggs out of embroidery floss!

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.

In this project students experiment with making music using only glasses of water.

Looking for a way to channel your spring fever? Create a beautiful spring centerpiece with your child!

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Find out which kind of bubble wrap fares best when put in impact.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Give your fourth grader a lesson in making blankets, and he'll be able to give the gift of warmth. Fleece blankets are especially fun to make, and they're cozy!

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Stir up some friendly competition with this tabletop bow and arrow craft!

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

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

This science fair project idea examines the reason boats are shaped and engineered.