What can you do with hair after its cut? This science project teaches you practical uses for human hair.

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

This science fair project idea investigates if fats add to the flavor of food.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Plants and light seem to be good buddies, but how far does the friendship really go?

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

In this science fair project, students make their own rain gauge to measure rainfall.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool 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.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

How well can people recall what they have observed. Test your knowledge in this fun experiment.