If your child is studying life science, introduce her to all the strange animal pairs that work together in the wild.

Studying human anatomy? Here is a great sheet that shows a diagram of all the muscle system. Your child will learn the scientific terms of the major muscles.

Dig into the past with this third-grade worksheet all about fossils!

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!

Explore how traits are influenced by both genetic and environmental factors with this life science worksheet!

This diagram of a human skeleton is labeled with 12 major bones, from skull to fibula.

Children learn to identify the tracks of a pine marten, chipmunk, mountain lion, mountain goat, and grizzly bear in this matching 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.

Just like the rest of our body, our eyes are a complicated system! Learn about how the human eye works with this anatomy sheet.

Children match animals to their ecosystems in this life sciences worksheet.

Learn more about how plants work with this cool celery experiment! Use this worksheet to help you record your observations after doing this experiment.

Children learn about the animals that inhabit Australia in this tracks-matching activity.

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