Test your child's knowledge of plant life--more specifically, trees--with this colorful, cut-and-paste tree chart.

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.

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 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.

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

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.