Find out which type of sponge holds the most water.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

Will the shape of an ice cube impact how fast the ice melts?

Learn about nature by making your own mini moss garden.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

This science fair project idea identifies the properties of soap bubbles and invents a new or improved bubble solution.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

This science experiment has students test whether a snail moves faster on concrete or dirt.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Teach your fifth grader about the wonders of wind by making and observing this winter wind chime.

In this experiment, the weight of aluminum cans will be compared.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

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!

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

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

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