This science fair project idea determines the probability of a coin landing heads or tails.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

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

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

Try this chemistry experiment with your curious kid and get some "shocking" results!

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Do different types of oil mix or stack? Find out in this science fair project idea!

In this project students experiment with making music using only glasses of water.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

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

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 experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

This science fair project idea investigates how color affects temperature.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

In this project children practice the scientific method while playing with puffy paint.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!