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.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

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.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

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.

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

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.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.

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.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.