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Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

The goal of this project is to create an exciting topographical map out of dough.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

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

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

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 science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.