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

Learn all about balance and motion as your child designs a corn maze!

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

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

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

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.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

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

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Determine if gender affects the ability to identify different smells.

This science fair project idea explores whether talking to a plant will help it grow.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

This project compares the strength of one, two, and three-ply toilet paper.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Make a backbone model to explore human anatomy and life science.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!