Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Teach your child how butter is created by shaking up cream the old-fashioned way.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

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?

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

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

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

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

Have your child kick off their summer vacation by making a miniature water slide!

Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

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 investigates how the height at which a pendulum is released affects the length of time it continues.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

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

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

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.