In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

In this science project, the center of gravity is explored.

This experiment tests which gender is better at catching how a magician performs his tricks.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

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

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

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with this cool science fair project.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This science fair project idea produces varying pitches of sound.

This science fair project idea investigates the difference in reaction times between boys and girls.

In this project, the fingerprints of family members are compared to determine if people from the same family have similar fingerprints.