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

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

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

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

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

Make edible amber fossils with your second grader to explore the fascinating world of science!

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

The concept of metamorphosis is fascinating to children of all ages. Help your child's creativity take flight as she makes her very own butterfly life cycle.

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

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.

Your child can use leaves and grass to create his own outdoor art in celebration of Earth Day...all he needs are is the great outdoors and some creativity!

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.

Use pepper and soap to discover some fun facts about the properties of water.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

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

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

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

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

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!

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

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

Creating a home for a toad is an easy and fun project for kids. Here's how to make your very own toad abode.