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Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

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

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

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

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

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

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This simple experiment serves as an introduction to the greenhouse effect.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

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

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

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

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

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

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

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

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 fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

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