In celebration of Earth Day, help your fifth grader write a poem from the Earth to its inhabitants.

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.

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

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

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

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.

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.

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

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.

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

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

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

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.

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.

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

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.

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.

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!

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!