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Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Satisfy your kindergartener's fascination of different sounds with this easy science project, where they'll use their ears instead of their eyes to identify sounds!

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

What better way to nurture your child's imagination than by making a fairy house out of materials found in nature!

The purpose of this science fair project is to build a basic radio.

The fish most kids see is usually filleted, and it's hard to see how it came from a lake or sea. This cool gyotaku activity blends life science with art!

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

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.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

This biodiversity project examines the biodiversity in your own backyard.

This science fair project idea compares biodiversity between drops of water.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.