This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

This science fair project examines discover whether different formations of deodorant works better for certain skin types.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

Reuse and recycle cardboard tubes to make spooky spiders, kooky caterpillars, wacky worms, and more.

This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

Science fair project that determines how we can change potential energy into kinetic energy.

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

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

Learn about the right-hand rule for magnetic force! Use a cathode ray tube in this physics experiment to see a magnetic field's effect on an electron beam.

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

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

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Help your child create a garden journal sketchbook as she observes and records the natural world through the changing seasons.

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

This science fair project idea discovers the practical applications for the structural design of a snail shell.

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

This science fair project idea looks into the concept of powered parachutes as the future of transportation.

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

This science fair project will investigate a type of sustainable development project.

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