Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Use dirt and different colors of craft sand to make unique layers in a clear plastic cup to represent the layers of the Earth.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

Can't make it to the beach? Bring the science of ocean waves home with this fun earth science-related craft.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

It's a rare kid who doesn't like a sandbox. Next time you're out digging, build in some earth science, too.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

This science fair project idea investigates how magnetism can defy the force of gravity.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

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.

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

Teach your child about recycling and gardening as she re-uses an empty plastic milk gallon jug to craft a swan-shaped plant container!

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

With some cookie dough and ordinary household objects, let your kindergartener explore how fossil imprints are made.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

Travel back to the Jurassic age with this creative dinosaur activity that would make a great addition to any wall or fridge.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Create homemade seed packets with your kids. This activity combines your kids' love of science and the outdoors with a little writing and drawing fun.

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

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Learn about nature by making your own mini moss garden.