How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Test your friends to find out if you can replicate the placebo effect's incredible results.

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.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Learn about this simple machine and make a pulley of your own to use for fun science trials.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Using a toy race car kids create a visual model of the Doppler Effect.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This project compares the strength of one, two, and three-ply toilet paper.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

This science fair project idea investigates how magnetism can defy the force of gravity.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

This science fair project idea investigates how the shape of an object affects drag.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

This biodiversity project examines the biodiversity in your own backyard.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.