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

Can you figure out how the Triceratops got his name? Study this Triceratops fact sheet and see if you can guess.

Dive into habitat studies with this second- and third-grade worksheet!

These pictures have a lot to say! The animals in this worksheet don't talkÃbut they can tell you a lot about what they're like by the way they look.

Children get to know animals of South America in this nature-themed worksheet.

Children hone their observation skills by matching the tracks to their corresponding water animal in this worksheet.

Observe the life cycle of an oriole with this second- and third-grade worksheet!

This worksheet helps kids understand variations in animals and how the same kind, or species, can sometimes look different from each other.

Learn about the life cycle of a tomato plant in this worksheet for second and third graders!

Did you know there are tiny owls? Learn all about the Elf Owl with this fun page, including a word scramble with words from the fun facts box.

What makes a reptile different from an amphibian?  Learn all about animal classifications in this worksheet for second and third graders!

Learn about fish, amphibians, birds, mammals, and reptiles with this colorful life science worksheet for first and second graders!

Practice classifying different animals in this engaging life science worksheet, created for second and third graders!

Are chickens mammals, fish, or birds? Sort animals by their traits in this informative life science worksheet!