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

Help kindergarteners and first graders learn the parts of a plant with this coloring worksheet! 

Can you identify the difference between inherited and acquired traits?

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

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

Little biologists will use this respiratory system diagram to identify the most important parts of the human respiratory system and their functions.

Hug a tree! It can be a home to many different animals. Can you identify the different shelters used by animals in this picture?

Budding paleontologists will refer to a word bank to identify 10 dinosaur-related vocabulary words in this playful word search puzzle.

In this worksheet, students will read two different passages about the platypus. Kids will compare and contrast the passages, and identify the main ideas.

In this worksheet, children identify and illustrate four things all plants need to grow. They then answer three simple research questions about plants.

Children familiarize themselves with the tracks of a duck, bobcat, coyote, deer, raccoon, and black bear in this life sciences worksheet.

In this worksheet, children practice identifying animals of North America by their tracks.

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

The next time you're on a hike, be sure to take this leaf chart to guide you in identifying different types of leaves!

This short nonfiction text will provide students with an opportunity to become more comfortable with identifying and defining academic vocabulary words—and they'll have fun learning all about the life cycle of a chicken in the process!

Help your child practice his science skills with this science worksheet, which will challenge his knowledge of reptiles and ask him to solve a puzzle!

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

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

Learn about the animal practice of hibernation in this quick science worksheet.

Is your little one into creepy crawlies? Test his bug knowledge with a fun crossword puzzle.

Test your knowledge of prehistoric animals with this life sciences crossword puzzle!

Roses are red, violets are blue, I know the parts of a flower, how about you? Learn about flower anatomy with this worksheet.

Bug out on some insect anatomy! Can you name each part of the insect? Try making an educated guess by using what you already know about animal body parts.

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!

Find out more about single-cell organisms with this coloring page and diagram.

In this North American animal tracks worksheet, students hone their observation skills by matching tracks to animals.

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

Explore humans’ inherited traits with this fun science worksheet!

Observe a zebra’s survival adaptations in this life science worksheet!

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