How do organic materials become soil? This science experiment measures what materials biodegrade.

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.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

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

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

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

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

This adventurous art project will send kids on a scavenger hunt for fall materials they can use in their artwork. This craft also teaches kids about seasons.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

Give some of your local ladybugs a warm place to stay for the winter by making a ladybug home with recycled materials.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

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

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

In this activity your child will create their very own marble maze!

This science fair project examines how seeds hitchhike on animals and clothing.

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

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

The project investigates how water and movement affects erosion.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

This science fair project idea demonstrates that plants give off water.

This science fair project idea investigates how the shape of an object affects drag.

In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!