It's an Earth Day word ladder! Step on up.

Dig into this fun science worksheet and introduce your budding geologist to some earth science vocabulary.

In this introductory tree-diagramming worksheet, young naturalists will unscramble each label to reveal five parts of the tree.

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

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