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

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

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

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

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

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

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

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

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

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.

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.

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

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.

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.

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

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

This experiment evaluates whether there is a relationship between grade point average (GPA) and dating status.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

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!

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!

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.

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.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

A cool physics science fair project idea for 7th grade exploring the application of distance, velocity, and time equations.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.