Learn whether writing things down really makes things easier to remember.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Consult astronomers for opinions and advice. Devise a mathematical argument regarding the probability of other planets supporting extra-terrestrial life.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

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

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

This science fair project idea determines if the color of light affects the growth of plants.

This experiment will explore whether adding different substances to a gel affects its strength.

This social science experiment assesses whether the timing of peak mental performance shifts from afternoon to morning as we age.

Discover which absorbent material is the best; the Shamwow, paper towels, or cotton towels.

This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.

Kids make an electromagnet in this electromagnetic induction experiment to learn about induction, current, and the right-hand rule.

Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.

Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.

Science fair project that examines the benefits of the plant enzyme: pectin methyl esterase (PME). Where is PME found in the plant? What does it do chemically?

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

The objective of this science project is to determine the length of time for different seeds to germinate.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

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

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

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

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

Evaluate the efficacy of different pain management techniques.

This project examines whether sugar substitutes are as sweet as real sugar.