Children will learn important facts about food chains in these worksheets.

Read up on the digestive system with this page, which follows your food from start to finish.

Humans have 32 teeth, including wisdom teeth, and this diagram has the names of all the other 28.

Learn all about cells, the tiny pieces that make up our body, in this color-in diagram.

Kids will learn about fossils in this worksheet. Help your child learn about the scientific method by getting him to examine a fossilized dinosaur skeleton.

Where do animals live? All living things need homes. Help these animals get back home by following the maze.

Learn the orca whale's scientific name and add color to this fun ocean coloring page!

Learn more about the earthworm by reading the diagram and, if you dare, conducting a few of the experiments on the next page.

Explore the different body coverings of animals with this fun coloring page.

Decide what differentiates living vs non-living things! First cut out the items on page 1, and then sort them in the chart on page 2.

This research, drawing, and writing worksheet is a fun introduction to informational and science writing.

This research, drawing, and writing worksheet is a fun introduction to informational and science writing.

If your kid loves the ocean, he may enjoy learning tons of trivia about our fishy friends in the sea. Brush up on your fish facts with this fun page!

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.