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

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

This science experiment explores why leaves change color in the fall and the role of photosynthesis in leaf coloration.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

By dropping a magnet through a copper tube, kids observe the cool (and bizarre) braking effect produced by the eddy currents predicted by Lenz's law.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Here's a simple science activity that will help your child better understand how wells bring us water.

Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.

This science fair project idea examines whether people can decode scrambled messages.

This craft is an excellent way to learn about African-American history, and it also provides fine motor practice.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

This science fair project idea determines what household items are good conductors of electricity.

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

This activity will help your child review science concepts, learn new ones, and become familiar with examples of various concepts in science. Plus, it's fun!

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

This middle school project examines the strength of horizontal versus vertical pointing eggshells.