Learn about this simple machine and make a pulley of your own to use for fun science trials.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

This science fair project idea compares biodiversity between drops of water.

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

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This science fair project idea investigates how color affects temperature.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

This project examines whether people's taste perception is influenced by what they see.

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

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

In this activity your child will create their very own marble maze!

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

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

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.