Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

This experiment explores how listening in to a one-sided conversation affects concentration.

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

This project explores how well couples convey complex emotions such as envy and pride to one another solely through the sense of touch.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Test out various brands of permanent markers to see which one is least water soluble.

In this experiment two environments will be compared: a room with interior design that uses correct Feng Shui versus one with incorrect Feng Shui.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

Science fair project that determines whether moths are attracted to one color of light more than others.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

In this science fair experiment, kids will use the acid test to discover how to tell one mineral from another.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

Would you be able to tell the difference between colored contacts and natural eyes from a normal distance? Find out in this science fair project!

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

This science fair project idea compares whether ionic dryers leave hair in better condition than non-ionic dryers.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Get a fun high school physics science fair project idea one of the states of matter called plasma and the applications of this unique coil.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!