This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Discover whether cold or hot water from the faucet will boil faster on the stove.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

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!

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

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

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

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

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

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

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

Discover how and which salt melts ice the quickest.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

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

This project compares the strength of one, two, and three-ply toilet paper.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

This science fair project idea explores substances that cause a bubble to last longer.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.