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

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science fair project will help students learn about non-vascular plants, such as mosses.

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.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

The objective of this science project is to determine the length of time for different seeds to germinate.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.