Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

The project determines which type of birds prefer which type of birdseed.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

In this project, a basketball containing different psi is dropped to see how well it bounces.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

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

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

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

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.