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In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

This science experiment tests if dog saliva can really help heal wounds.

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

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

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Are you looking for an out-of-this world activity that's both fun and educational? This solar system garland is a great way to introduce your child to astronomy.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

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

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

This science fair project idea produces varying pitches of sound.

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

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

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

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

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

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

This science fair project idea explores whether color affects a person's emotional state.

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

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

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

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Science fair project in which you will start a fire from scratch without using matches or a lighter.