Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

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

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

Kids will make a homemade electroscope and explain how it detects static charges through induction in this fun science fair project idea.

Trick your eye with this easy-to-make animation flip book! It's a fun way to learn about persistence of vision and is creative enough to entertain anyone.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

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

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

This science fair project idea explores how water and ice can change the form of rocks.

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

Determine if each hemisphere specializes in dealing with specific functions. Include illustrations of the brain, it hemispheres.

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

Learn how to convert gravitational potential energy into mechanical energy in this fun science fair project idea.

This science fair project idea explores the egg's thin membrane.

Put those fall leaves to use with this fun art activity. Kids paint and print leaves, to make a beautiful tablecloth, perfect for your next fall celebration.

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

This crafty activity provides a hands-on way for your child to illustrate how the trees look during each season of the year.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.