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Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

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

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

This science fair project idea compares biodiversity between drops of water.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

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

This science fair project idea explores the different properties & interactions of sugar molecules.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

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

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