This science fair project idea demonstrates sonar mapping of the ocean floor.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

When the wind starts blowing, you and your child can plant a sponge garden in the comfort of your own kitchen. Here's how:

Give some of your local ladybugs a warm place to stay for the winter by making a ladybug home with recycled materials.

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.

This science fair project investigates why the number of visible stars changes from place to place.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

Tin can phones offer something modern versions don't—a fun project to make with a friend, and a dramatic illustration of vibration and sound waves.

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

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

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

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

Future whistleblowers can learn about product safety standards with this exercise in writing and researching.

Science fair project that illustrates the properties of black holes in space.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

This project examines what types of objects burn and which burn faster and cleaner.

This science fair project idea compares the mass and density of objects.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

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

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

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

Analytical chemists perform chromatography to separate colors into pigments. Test the food coloring used in M&M's and Skittles candy in this fun project!