It's easy being green when you have our Earth Day game for a guide. Just print out this Earth Day game and get ready to score one for the planet.

Decode an Earth Day joke with this engaging worksheet for first and second graders!

Did you know the surface of the Earth is always changing? Learn about the events that change Earth's surface with this crossword puzzle for second and third graders!

Learn more about our planet with this fun crossword puzzle for second and third graders!

Here's a fun way for kids to review their knowledge of earth science terms. Challenge your child to give a definition of each word as he finds it.

Review the rock cycle with this second-, third-, and fourth-grade crossword puzzle!

If your child is fascinated by outer space, he'll love this solar system word search! While reviewing planet names, he'll ponder the mysteries of the universe.

Worm your way through this soil maze, which doubles as a fun way to review the names of the different soil layers.