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

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

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

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.

Teach your child the meaning of recycle and reuse by repurposing plastic spoons as plant markers for your vegetable garden.

Slip some science into storm watching with a homemade rain gauge!

Here is a kindergarten activity that blends art and science by using magnets, paint, and objects found around the house to create a picture.

This science fair project idea determines if the color of light affects the growth of plants.

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

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

Your kindergartener will make prints of his favorite fruits and vegetables and learn how to organize and assemble his very own book.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

Give your budding young observers a chance to discover simple machines at use in their own home.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Who knew that nature could get so crafty? Show your kindergartener how to collect and morph pinecones into a whole team of personalized pinecone people.

Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Help your child add some flair to the family garden with pencil pinwheels!

Your child will decorate a headband with any bugs they can think of, then they'll add antennae so they can pretend to be a bug!

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

This fall, make a leaf crown that will encourage creative play and your child's interest in the natural world while you help them build fine motor skills.

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.