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.

Celebrate Earth Day by making a poster that encourages people not to litter.

The Earth is always providing in so many ways! In this activity, children reflect on how the Earth gives and on their love for the Earth through discussion and letter writing.

Children will reflect on the importance of performing acts of kindness for the Earth, hear a story about easy ways they can care for the Earth, and set goals to conserve more in their everyday lives.

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.

In this inspiring activity, children create and perform their very own Reader’s Theater about helping the planet!

In this activity, your child will explore the differences between facts and opinions. Together, you will go on a scavenger hunt in your home and play the role of detectives in search of facts.

Learn more about the fascinating folk art of Pennsylvania Dutch hex signs with this easy craft.

Your fourth grader will love practicing his math facts with this fun computation game.

Math Facts Game: A mix of musical chairs and Twister meets math. Nipping multiplication problems in the bud was never this much fun!

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

What better way to care for the earth than to create a Call to Action plan for the entire family?

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.

This activity is a great way to engage learners in Earth Day celebrations while cultivating skills around nonfiction comprehension and research writing.

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.

Celebrate Earth Day by making colorful animal sculptures using recycled materials from around the house in this 3rd grade arts and crafts activity.

Children reflect on ways they have cared for themselves, others, and the Earth before building a garden to share beauty with others in their community.

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!

Play tic-tac-toe and help your kid memorize multiplication facts!

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

Practice of math facts is usually limited to drill sheets and flashcards. But kids are more likely to tune in to math facts if practice is presented as a game!

Practice multiplication facts by playing baseball in this fun, third grade math board game.

This activity is a great starting point for practicing mental math because it is quick, easy and involves only simple addition facts.

Practice math facts with your third grader was never so simple! This activity makes addition, subtraction, multiplication, and even division a lot more fun!

Practice multiplication facts and geography at the same time in this fun third grade math card game.

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