Did you know some baby birds take 10 days to hatch, and some can take 80 days! Learn all about these cute creatures and finish your lesson off with a fun maze.

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 about the California tiger salamander, which uses its toxic, bad smell as a defense.

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.

Learn a bit about the Brazilian rainbow boa with this cool science worksheet.

Kids find grassland animals in this third grade science word search. Animal habitat worksheets help students learn about life forms in different environments.

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

Celebrate the fall season with this nature sketchbook, perfect for any lover of the outdoors!

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.

As your child completes this science worksheet on the life cycle of a peanut, he'll get the chance to practice his sequencing, labeling, and drawing skills.

The grizzly bear once roamed across most of North America; now its habitat has shrunk to the northwest. Discover more about the grizzly with this worksheet.

Learners will get to know the bald eagle, the national bird of the United States and an inhabitant of Yellowstone National Park.

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.

Crossword puzzles are a great way to make life science learning fun. This one's all about natural selection, and it's sure to give your child a fun challenge.

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.

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

In which habitat could you find an arctic fox, a polar bear, and a snowy owl? Have your kid find tundra animals with this word search worksheet.

Get to know the residents of the reef with this coral reef-themed crossword, perfect for expanding life science knowledge and working on vocabulary, too!

Do you know what's the largest parrot in Africa? It's the African grey parrot! Learn about this blabbering bird and give the image some color.