In this science fair project, young children discover what happens when two fluids that have different densities get together.

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

In this activity your child will create their very own marble maze!

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

This science fair project idea examines the reason boats are shaped and engineered.

Demonstrate how to tell the age of an egg without having to crack it open.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

In this science fair project, students make their own rain gauge to measure rainfall.

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

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.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

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.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

In this project children practice the scientific method while playing with puffy paint.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

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

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.