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This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

This experiment will evaluate how texting and talking on cell phones influence reaction time.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

Science fair project that determines whether moths are attracted to one color of light more than others.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

This science fair project compares the abilities of men and women to understand subtle communication through body language.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

This science fair project introduces children to static electricity and the idea that electricity is more than lights and plugs.

This science fair project idea uses the process of chemical weathering to change a mineral.

This experiment provides a graphic illustration of the chemical reaction that occurs when you activate a hand warmer.

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.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

This science fair project idea investigates the hardness property of minerals.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Build an electroscope, a simple device that measures static electricity, or the freely flowing electrical charges of the atmosphere!

This exploration of different types of energy will help young minds appreciate and observe thermal, kinetic, mechanical, and other forms of energy.

Invite your middle schooler to bungee jump ... with eggs! This experiment will demonstrate Newton's laws of physics in an entertaining way.

Science fair project that examines the physical features of elephants and butterflies and draws conclusions about their similarities.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

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

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

This science fair project idea explores how far the average human can see.

Does "short circuit" mean that electricity takes a short course? This science experiment provides steps to help you get to the bottom of this science mystery.

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