Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

Construct and experiment with a periscope using reflected light rays to gather an image.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

The fish most kids see is usually filleted, and it's hard to see how it came from a lake or sea. This cool gyotaku activity blends life science with art!

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

This experiment explores how microwave radiation affects fungi, bacteria, and plant life.

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.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.

This experiment strives to determine if tracking of conservation habits will lead to reductions in a family's electricity and water bills.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

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

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

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

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

The scientific purpose of this experiment is to investigate which material is the best packaging for fragile items during shipping.

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

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

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

This science fair project idea explores whether the color of surroundings affects human mood.

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

Determine the effect of reading aloud on memory skills. Prepare a list of randomly chosen words, ask volunteers to recall as many as possible from the list.

This science fair project idea explores which kinds of earplugs are the most effective.

Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

This science project teaches students to classify different shapes of leaves.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.