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!

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!

Study ecosystem changes with this drought-focused worksheet for fourth and fifth graders!

Fourth and fifth graders will cut out and assemble a human skeleton from paper in this engaging life sciences printable.

The food chain is an important life science concept for fouth graders. This game makes it fun to learn!

Test your third grader's biology knowledge with this worksheet, which challenges him to separate invertebrates from animals with a backbone.

This worksheet gives your fifth grader some skeleton know-how, as she fills in the diagram with the bones from the wrist to the fingertips.

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

Identify the life cycle of a butterfly with this hands-on worksheet for second and third graders!

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

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

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

Uncover the plant life of an icy tundra with this habitat worksheet for second and third graders!

Take a peek into a temperate forest ecosystem with this food web worksheet for fourth and fifth graders!

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

Learn the difference between behavioral and physical adaptations with this cut-and-paste worksheet for second and third graders!

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

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

Teach your fifth grader about this important bony structure with a fill-in-the-blank skull diagram.

Discover how seeds move to new places with this cut-and-paste worksheet for second and third graders!

Kids love squids! This simple squid diagram will help your 5th grader memorize the squid anatomy.

Meet the beetle! Filling out this simple worksheet can help your 5th grader learn the anatomy of a beetle.

What is the purpose of a hard shell or a long neck? Discover different adaptations with this matching worksheet for second and third graders!