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

Have you ever wondered why giraffes have long necks or why lions have sharp teeth? Find the answers in this third- and fourth-grade worksheet about adaptations!

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

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

Learn about the features of plant and animal cells in this compare-and-contrast worksheet!

Do you know the functions of the primary organs in the human body? Put your knowledge to the test with this fourth- and fifth-grade crossword!

Bundle up and discover the animals of the tundra in this second-grade life science worksheet!

Explore a wetland habitat with this engaging short-answer worksheet for second and third graders!

Discover what lives in the depths of the sea in this second- and third-grade habitat worksheet!

Learn more about a tide pool habitat with this life science worksheet for second and third graders!

Explore the vast ocean with this habitat worksheet for second and third graders!

Take a trip down to the river with this second- and third-grade habitat worksheet!

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

An animal cell is made up of many different organelles—color them all in this middle-grade worksheet! 

Explore a tropical rainforest habitat and its inhabitants with this engaging worksheet for third graders!

Determine if certain animals could live in a temperate deciduous forest with this habitat worksheet for third graders!

In this animal-based life science worksheet, students will learn that animals inherit certain traits from their parents.