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

Create a self-portrait from natural materials in this collage craft activity!

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.

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

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 determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

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.

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 cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

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.

In this project, waves of vibrations are experimented with using water in glasses.

This surprisingly good glue recipe comes from common kitchen items.

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

In this project, the fingerprints of family members are compared to determine if people from the same family have similar fingerprints.

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

This project compares the strength of one, two, and three-ply toilet paper.

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.

In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

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

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 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.