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In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.