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.

Find a definition of what "natural resources" are, and complete the natural resources word search. It's a good vocabulary warm-up!

In which habitat could you find an arctic fox, a polar bear, and a snowy owl? Have your kid find tundra animals with this word search worksheet.

Let your kid's knowledge of leaf vocabulary climb as high as a tall, tall tree with this fun word search.

Who feels at home scaling a nice, big tree? This word search is a fun way for your little one to familiarize themselves with different tree-climbing animals.

Budding inventors can get a fun review of the simple machines with this word search.

Did you know some baby birds take 10 days to hatch, and some can take 80 days! Learn all about these cute creatures and finish your lesson off with a fun maze.

Discover the many different kinds of conifer and deciduous trees as you complete this word search!

All the animals in this word search share one characteristic: none of them have bones! Can your child find the boneless critters hidden in the puzzle?

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

Review energy terminology with this fun fourth-grade crossword puzzle!

Do you know the functions of the primary organs in the human body? Put your knowledge to the test with this fourth- and fifth-grade crossword!

Break down a word to create new ones with this fun worksheet for second through fifth graders!

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

Review the terminology of collisions with this engaging crossword puzzle for fourth graders!