Help your child understand the importance of preserving the environment, with this info-sheet about an endangered species: the Iranian jerboa.

Get to know one of the most unique and colorful monkeys, the red-shanked douc langur. Read about why they are an endangered species with this info-sheet.

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

The silverback gorilla is a special animal. This magnificent male is part of an endangered species. Complete this sheet to learn all about this gentle giant.

Whether you say buffalo or bison, it is still the largest land mammal in North America. Discover a bit more about this majestic animal.

The horned lizard has a scary exterior but a gentle personality. Your little student can learn about this North American lizard with this worksheet.

Learn to pay close attention to detail with this close-up observation worksheet!

A fun challenge for kids, this Earth Day crossword puzzle is a great way to review facts about the Earth and get a reminder on how to live green.

Introduce your student to an endangered species, Przewalski's horse, with this information sheet. They can color the illustration as they read.

Help your child read this page about the Sumatran rhinoceros, where they can color an illustration as they learn about why this animal is endangered.

Did you know you can identify a tree by its leaves? Discover the different shapes and shades of maple and oak leaves as you match each one to the correct tree.

Let's talk about trees! Help your child use Earth Day as an excuse to praise the woody perennials that hardly ever get the recognition they deserve.

The California condor has been brought back from the brink of extinction. This worksheet will help your little bird lover learn all about the condor.

Not all leaves are shaped the same. Discover the difference between palm and elm leaves as you match each leaf to its tree. Which leaf shape is your favorite?

Can you figure out how to match each leaf to its correct tree? Just cut out the leaves, glue them to the trees and then pick your favorite!

Have you ever seen a willow or a walnut tree? These big trees have very differently shaped leaves. Can you match each leaf with its correct tree?