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

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

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

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

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

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.