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?

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?

Hug a tree! It can be a home to many different animals. Can you identify the different shelters used by animals in this picture?

Introduce your child to a fascinating new animal, the Baird's tapir. This is just one of many endangered species around the world.

The holiday season is here! Bring this cool snowman to life by coloring him according to the color chart.

Believe it or not, pine trees and ginko trees have different shaped leaves. See the shapes for yourself and match each leaf to its correct tree.

Animal lovers, get acquainted with a very unique species, the okapi! Read this info-sheet to learn about why this animal is endangered.

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.

The grizzly bear once roamed across most of North America; now its habitat has shrunk to the northwest. Discover more about the grizzly with this worksheet.

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

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.

Color in the gold and red colors of this common grasshopper species and learn about insect orders with your child!

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.

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

How do you make recycled paper? Learn all about the recycling paper process on this informative worksheet.

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.

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

Get in tune with nature, and read a bit about an endangered species of animal, the Black-footed Ferret. Your child can color an illustration as he reads.

Help your child understand why it's so important to take care of the environment with this info-sheet about an endangered species: the spectacled bear.

These printable Valentine's Day cards are perfect for a kid who's in love with animals and science!

These Valentine's Day cards will be the oddest and most unique cards your sweetie ever got!