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.

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

How much does your preschooler know about the parts of a flower? This colorful worksheet tests her flower knowledge!

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.

This printable will help your child with their observation skills by challenging them to count the tree rings to determine their ages.

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

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?

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.

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!

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.

Shape up your knowledge of living things with this plant sorting soirÃe! Your kid will build observational skills by describing the attributes of each plant.

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

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?

Grain, dairy, meat, or vegetable? Teach your kids about the food groups with a Thanksgiving-themed cut-and-paste sorting activity.

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.

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.

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

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!