Get to know one of the most unique and colorful monkeys, the red-shanked douc langur. Read about why they are an endangered species with this info-sheet.

There are many animals around the world whose lives or homes are threatened. Read about an endangered species from Africa with this info-sheet

Learn the basics of human anatomy with this info sheet all about the bladder. Your child will learn the different parts of the bladder

Explore the difference between asexual and sexual reproduction in organisms with this middle school science worksheet!

Did you know cougars can leap 20 feet from a sitting position? This fun worksheet is jam-packed with fun facts about the cougar!

Is it true that male seahorses get pregnant? Find out with this fun, fact filled worksheet, all about seahorses!

Learn all about vision and sight with this life science diagram.

Do you know what the thyroid does? Learn about our body's largest gland with this human anatomy info sheet.

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

Learn more about two kinds of aquatic biomesÃfreshwater and saltwater biomesÃand how you can tell them apart.

Learn about the animal kingdom with this centipede anatomy worksheet. Fun fact: Centipedes have either 15 or 17 pairs of legs, but never 16!

Next time you head outside for a hike or a camping trip, bring along this checklist of animal tracks!

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

Teach your child about an endangered species with this information page, all about the Forest Owlet. They can color as they read some interesting facts.

Open your ears for some interesting science! Your little biologist will learn the basic parts of the ear with this diagram.

This bright and colorful worksheet helps your child bring the technical terms of the bones in his legs down to size.

Try out this simple worksheet diagramming the anatomy of a shrimp. Big words, small sea creature.

Does your child know his five senses? Give him an introduction to human anatomy with this sense of touch worksheet.

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

Try this worksheet diagramming a snail anatomy. It takes a snail over two minutes to travel 12 inches, but your 5th grader can finish this worksheet in no time.

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

Quiz your kid on the names of bones in his spine with this colorful worksheet.

This kid-friendly, fill-in-the-blank diagram helps your fifth grader learn the technical terms for the bones in his torso.

Looking for a worksheet to help your kid with his knowledge of human biology? This printable will help him with the digestive system.

Did you know wolves are the largest members of the dog family? This fun worksheet is jam-packed with fun facts about the wolf!

Looking for a worksheet to help your child with science? This printable will help them with their biology vocabulary.

Looking for a worksheet to help your kid with his science vocabulary? This printable will help improve his knowledge of biology.

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

Did you know chameleons can sleep upside-down? Learn more about chameleons with this fun worksheet, jam-packed with fun facts and activities!

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