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.

Children learn the fascinating physics behind lightning, along with a few fun facts, in this physical science worksheet.

The Earth is very much alive, even its rocks shift and change. Practice geology vocabulary with this challenging word search.

Earth has many different land and water features—can you recognize them? Test your knowledge with this crossword puzzle for third and fourth graders!

Use the clues in this crossword puzzle to fill in the blanks with different types of snake names. Learn interesting facts about snakes as you go!

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

Practice geology vocabulary with this challenging crossword puzzle.

Where do flower babies come from? Find the answers in this word search about plant reproduction!

Where to flower babies come from? Use this word search to learn about the different pollinators in our environment, and how they help spread plant seeds.