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

How many teeth does an alligator have? Find out with this fun worksheet, dedicated to teaching you and your child all about alligators!

Meet the red wolf, an endangered species of animal that was once very common, but in the past 50 year nearly became extinct!

This colorful diagram is a handy reference guide for kids learning basic body systems.

There are many endangered species all around the world. Read about the Amur leopard and why it's endangered with this information page.

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

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.

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

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

These 12 dinosaur names are all mixed up, and need a dinosaur expert to help unscramble the letters.

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.

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

Animal lovers, get acquainted with a very unique species, the okapi! Read this info-sheet to learn about why this animal is endangered.

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

Step up to the controls, Dr. Frankenstein -- the world is in need of a new creature!

Learn all about the liver with this anatomy sheet. Our liver is one of many organs in the digestive system expelling waste from the body.

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

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

How much does your child know about the structure of his stomach? Learn a bit about this important organ with an informative anatomy sheet!

Learn all about how we breathe with this info sheet about lungs. Your child will learn the different parts of the lung, including terms and concepts.

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

Help your child understand why it's so important to take care of the environment with this info-sheet about an endangered species: the spectacled bear.

Get in tune with nature, and read a bit about an endangered species of animal, the Black-footed Ferret. Your child can color an illustration as he reads.

How does our hearing work? Give your child a great guide to the anatomy of our ears with this anatomy worksheet.

For your budding environmentalist, here is an information sheet on a well-known endangered species, the Komodo dragon!

Did you know that your tongue is one of the strongest muscles in your body? Tickle your learning taste buds with this worksheet all about your tongue.

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

Help your child understand the importance of preserving the environment, with this info-sheet about an endangered species: the Iranian jerboa.

Learn about a famous woman of science, Rosalind Franklin, and how she contributed to the discovery of DNA's double-helix structure.