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.

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.

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.

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

This basketball project explores the best way to make the perfect shot every time.

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 fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

In this challenge, students are tasked with creating a car that can be powered by a balloon!

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!

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

Try this chemistry experiment with your curious kid and get some "shocking" results!

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

This project determines what category of person is most likely to be ticklish.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.