Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This science fair project idea provides evidence that air is everywhere and takes up space.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

This project determines what category of person is most likely to be ticklish.

Examine the effect of pressure on carbonation in soda.

This science fair project idea determines the most effective method of preserving food.

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

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

This science research project challenges students to think of more effective lobster farming methods.

This science fair project idea investigates how the shape of an object affects drag.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

This science fair project idea determines which method of hand cleansing is the most effective.

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

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!