This simple activity is not only fun, it's also a useful way to organize children's closets — and offer kids some autonomy to boot.

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

This science fair project idea determines whether the older population prefers darker, duller colors rather than bright and lush colors.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Demonstrate which cooking method gets rid of the most fat.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Test whether plants can grow without sunlight and water.

If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

With this activity, not only will you be experimenting with giving accurate information, you'll also teach your child how to write good scientific procedures.

Compare the ignition rates of various types of flame-retardant materials.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

Multiple-choice test questions can be confusing. Here's a toolbox of tricks and strategies to help your teen become a multiple-choice master.

Test the idea that people who wear glasses tend to be more educated. True or false?

Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.

This activity is a fun challenge for students who have just started learning to program educational robots.

Help your kindergartener identify and sort eight different kinds of common seeds on this "seed wheel" plate you can use all growing season.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

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

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

In this science fair project, students evaluate if astrological signs provide clues about people's personalities.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.