In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

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 determines what household items are good conductors of electricity.

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

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

This science fair project idea experiments with spinning color wheels and optical illusions.

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

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

This science experiment tests if dog saliva can really help heal wounds.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

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

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Check out this cool science fair project on identifying rocks and minerals for kids.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.