Discover the function and parts of the human skeleton with this introductory diagram.

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

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.

Students compare structures in the bodies of different organisms in order to draw conclusions about evolutionary relationships in this life science worksheet!

Learn all about how we breathe with this info sheet about lungs. Your child will learn the different parts of the lung, including terms and concepts.

Did you know people can live with just one kidney? Get a head start on human anatomy with this info sheet on kidneys.

Why do some desert animals have large ears? Why do others have scales? Learn the answers to these questions and more with this life science worksheet!

Practice identifying living and nonliving things with this first- and second-grade science 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!

The construction zone is full of sounds, smells and sights! Think of all the different ways to use his five senses at the construction zone.

Identify what is needed for plant survival with this colorful life science worksheet!

Learners will discover a simple overview of the human muscle system in this introductory worksheet.

Learn to identify and name the parts of a seed in this two-page science worksheet and quiz!

Expand your sea creature vocabulary with this Life in the Reef worksheet!

How do trunks, claws, and flippers help animals? Discover how animals use different parts of their body to meet their needs in this kindergarten and first-grade life science 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!

Learn how seeds move with this second- and third-grade matching activity!

Ponder the pedigree of plants with this worksheet about inherited traits for upper elementary students!

Learn about the human brain with this zombie-themed science worksheet!

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

Learn about food chains in this cut-and-paste worksheet for first graders!

Match each animal to its home in this first- and second-grade life science worksheet!

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