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.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

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

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

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

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

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!

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

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

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

This science fair project idea discovers which parts of the body are more sensitive to touch than other parts of the body.

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

How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with this cool science fair project.

Learn all about balance and motion as your child designs a corn maze!

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

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

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

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

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

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.