Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

This project examines whether people's taste perception is influenced by what they see.

This science fair project idea investigates whether plants can survive being frozen.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

This science research project challenges students to think of more effective lobster farming methods.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This science fair project idea provides evidence that air is everywhere and takes up space.

This science fair project idea explores which fruit molds the fastest.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Discover whether a metal will expand under hot water.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

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

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.