Learn the names of major joints in the human body, the points at which bones intersect to make your arms and legs bend.

Use this Inside-Out Anatomy worksheet to learn about the digestive system.

Did you know we eat all kinds of plant parts, from the root to the flowers? Discover the importance of plants in our diet with this fun worksheet.

Does your first grader want to know more about mammals? This worksheet gives her a chance to do some research to decide which animals fit into that category.

Learn more about what lives--and what thrives--in marshes with this fill-in-the-blank worksheet on marsh ecosystems.

Find out more about what REALLY dwells in swamp ecosystems with this worksheet all about swamps.

Learn a bit about meteors, asteroids and comets as they travel across the night sky. Can your child round out the page by adding color to these orbiting rocks?

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

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

What are the different types of animal body coverings? Help kids sort and categorize these animals based on their body coverings.

Dive deep into your body's circulatory system with this worksheet on blood and what it's made of.

"The hip bone is connected to the...?" Sing the song perfectly with the help of this worksheet on the skeletal system!

Learn about the integumentary system, which is really just a fancy phrase for "skin", in this 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.

This cute worksheet prompts your first grader to find out what characteristics are shared by amphibians, and then circle the animals that fit that category.

Learn all about the basic parts of a plant with a fun word scramble! Your child will un-scramble the letters to name different parts of a pretty plant.

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

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

Children hone their observation skills by matching the tracks to their corresponding water animal in this worksheet.

This Louis Pasteur biography goes over his accomplishments, and includes a bacteria-based science activity at the end!

Looking for a fourth grade worksheet to help your kid with science? This printable will test his knowledge of the water cycle.

Learn more about the animals in the swamp food chain, and find out how each living thing in a swamp ecosystem needs another to survive.

Budding botanists can master the different parts of a seed with this helpful diagram!

This Awesome Anatomy coloring page focuses on the heart and all the different parts of it.

Children learn about the food cycle in a rain forest as they color in a scene of snakes, butterflies, leopards, and other forest-dwelling creatures.

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

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