Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

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?

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Construct batteries that make electricity from fruits with this fun science fair project.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

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

This science fair project investigates why the number of visible stars changes from place to place.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!