This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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

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.

Science fair project that determines the effect of concentrated mental effort on physical performance levels.

This science fair project idea explores whether color affects a person's emotional state.

In this science fair project, students evaluate the alleged pain-relieving properties of amber.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.

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

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

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

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

This science fair project idea studies whether eating a hearty breakfast before and exam will get them better test scores.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

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.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

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

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

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.

In this experiment, students create music with subliminal messaging to try to influence people's decision-making.

Free science fair project idea examining how different types of water affect plant germination and growth.

Find out whether matte or shiny nail polish lasts longer.

This project examines various algorithms to determine the ideal algorithm for a strategy game.

Check out this cool and free middle school science fair project idea on how to make a solar oven.

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