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!

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

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

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

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

Research Earthship buildings. Draft a unique architectural design that repurposes used, discarded radial tires. Build scale model of structure.

Study how we perceive color by exploring optical illusions such as pointillism, digital images, and Ishihara tests.

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.

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

Demonstrate which cooking method gets rid of the most fat.

Design a hearing protection device to protect their ears from loud noises. Examine the properties of current protective hearing devices, materials.

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

This experiment investigates whether left-handed test subjects have better memories than right-handed participants.

Scavenger Hunt! Check out this fun science fair project idea to explore the difference between opaque, translucent, and transparent objects around your house.

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.

Research and understand basic computer science. Build a simple computer, following instructions found online. Design a new or improved feature.

This fun outdoor game will help your child develop her addition and subtraction skills and teach her basic arithmetic while keeping her active.

Science fair project that explores the natural process of limestone formation.

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 demonstrates the process of land erosion.

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.