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

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Discover how and which salt melts ice the quickest.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

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

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

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

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

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

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