This nonfiction passage helps kids develop reading comprehension skills, as well as learn important ecological facts.

What happens to our food after we swallow it? Chomp on some body science with this diagram of the digestive system.

What makes a reptile different from an amphibian?  Learn all about animal classifications in this worksheet for second and third graders!

Ancient mariners mistook the manatee for a mermaid! Your young biologist won't make the same mistake after learning about the manatee with 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.

Can your child name 10 animals that make their home in the mountains? After completing this worksheet, he'll know all about mountain habitats!

The narwhal is one unusual animal! Your child will learn about this horned sea creature through text and pictures.

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!

What does a dog eat? Kids choose the pictures that show what kind of food each animal likes to eat in this first grade life science worksheet.

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

Connect the dots from 1 to 30 to reveal Styracosaurus's mighty horns.

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

Read about one of Yellowstone National Park's coolest animals, the big horn sheep.

Learn more about Gallimimus, one of the fastest dinosaurs, with this cool dino dot to dot.

Match the sense to the picture in this five senses worksheet!

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

Learn about Red River Hogs in this series of animals facts sheets and coloring pages in one.

Learn the ins and outs of one of the body's most important organs: the heart!

Learn about the parasaurolophus, one of the most musically inclined dinosaurs with this dot-to-dot coloring page.

Learn about Supersaurus, one of the largest dinosaurs ever recorded, with this fun fact dot to dot printable.

Your budding ornithologist will love an introduction with coloring pages like this one featuring the New Hampshire state bird.

Whoa, this spider is quite the spinster! He is actually one of many brand new species discovered between 2009 and 2011.

The Ohio state bird, the Cardinal, is famous for their bright red color. Can you give this one some color?

Give your child a great coloring page full of fun flower facts! This one is about the iris flower and the butterfly.

Learn more about the bones in your body and just how important they are with this reading sheet and diagram, all in one.

Walter's Duiker is a new species of duiker, a kind of antelope, and one of many new species discovered between 2009 and 2011.

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

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

Get to know some of the friendly, furry, feathery river wildlife that live near American rivers, then match each one to its home.

Introduce your child to a fascinating new animal, the Baird's tapir. This is just one of many endangered species around the world.