Start your toy engines -- this is going to be a fast and friction-filled race!

This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

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.

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

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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

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.

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.

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

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

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

Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

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

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

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

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

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 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.

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

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

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

Learn how different types of soil affect how animal tracks form in this experiment!

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

This science fair project idea discovers the principle of conservation of mass.

This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.

Cleaning can be a chore, but not with this sudsy experiment!