This basketball project explores the best way to make the perfect shot every time.

This science fair project idea identifies trees using a dichotomous key.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

This science fair project idea determines if the temperature of rubber effects how high it bounces.

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.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

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

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

This science fair project teaches students about wilting and browning of salad greens.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

Discover whether a metal will expand under hot water.