What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

This science fair project investigates what type of cookie sheet bakes the best cookies.

How fast is the wind blowing? This science experiment provides step-by-step instructions to help you answer this question.

This project investigates the affect of storage temperature on microwave popcorn.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

In this experiment a spectrometer is used to analyze the light emitted by burning ion solutions.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

This science fair project idea explores which kinds of earplugs are the most effective.

This project examines whether sugar substitutes are as sweet as real sugar.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This science fair project idea examines the differences between bottle water, filtered water, and tap water.

The objective of this science fair project is to determine whether drawing with the right side or the left side of your brain will produce a better picture.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

This science fair project idea investigates whether rocks containing geodes can be determined from the outside.

This experiment explores the most common colors that appear among a sample of crossbred guppies.

Explore if planting seeds in a certain direction will affect how fast it germinates.

In this science fair experiment, high school students determine if all proteins denature at the same temperature.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

Dig into the physics of pool to explore some cool applied math and learn about what happens in an elastic collision of equal masses.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

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