How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

In this fun experiment, we'll find out how color affects heat absorption!

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

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

Have your child kick off their summer vacation by making a miniature water slide!

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

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.

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

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

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

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

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

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

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

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.

Discover how and which salt melts ice the quickest.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This science fair project idea identifies trees using a dichotomous key.

In this fun activity, your child will create their very own solar oven to bake s'mores!

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

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.