Explore the lush plant life of the tropical rainforest in this second- and third-grade worksheet!

Analyze an axolotl with this kindergarten and first-grade worksheet!

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 humans’ inherited traits with this fun science worksheet!

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

Unearth fossils in this explorative third-grade worksheet!

Analyze fossils with this engaging third-grade science worksheet!

Have you considered why elephants have trunks, or why polar bears have thick fur? Reflect on animal adaptations with this fourth-grade worksheet!

Dip your toes into a marsh habitat in this second- and third-grade worksheet!

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

Learn about life science on a farm in this colorful activity!

Say hello to the red-eyed tree frog in this kindergarten and first-grade worksheet!

Build a food chain with this hands-on worksheet for kindergarteners and first graders!

Learn about the life cycle of a wood frog in this second- and third-grade worksheet!

Students are introduced to the different types of symbiotic relationships that exist in ecosystems in this life science worksheet.

Budding biologists can learn all about human digestion with this information page, complete with a diagram of the digestive system.

Flex your mind muscles with a body science worksheet! Your child will learn the fundamentals of what makes up our muscles.

What happens to our food after we swallow it? Chomp on some body science with this diagram of the digestive system.

Identify the needs and habitat of a poison dart frog in this hands-on kindergarten worksheet!

Take a walk through a flora-filled forest with this second-grade habitat worksheet!

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

Assess the attributes of the amazing nine-banded armadillo in this worksheet!

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

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

How do nonliving things help plants and animals stay alive? Find out in this first-grade worksheet!

Dig into a food web in this engaging worksheet!

Discover how animal behaviors increase the probability of successful reproduction and offspring survival with this middle school science worksheet!

This Echidna coloring page features the rare, egg-laying mammal! Add color to the pictures and learn a few fun facts about this rare species.

Learn the ins and outs of one of the body's most important organs: the heart!

Students read about genetic mutations in order to understand how mutations affect organisms in this engaging life science worksheet!