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.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

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.

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

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

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

Learn about how we localize objects and beings in space through sound and about monaural auditory mechanisms and binaural auditory mechanisms.

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

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

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

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

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

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

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

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.

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

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

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

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

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

The Galileo inclined plane physics experiment was one of the first ways scientists calculated acceleration due to gravity. Do it yourself in this project!

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.

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

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.

Create uphill flow of water by using a siphon. Create vacuum by suctioning one end of tube, and submerge it under water. Watch the direction the water travels.

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!