Get the facts on the beautiful elk, an American treasure and a symbol of Yellowstone National Park.

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

Do you ever see shapes in the stars at night? In ancient times, people named these shapes, and now we know them today as constellations!

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.

Looking for a worksheet that will give your kid help with his life-science skills? This printable will challenge his knowledge of birds.

Learn about a cool species of bird with this Osprey fun sheet! Your child will read a few fun facts about the Osprey, and complete a crossword puzzle.

Ever heard of a Harris Hawk? Learn all about this cool bird with a fun sheet, including a grid drawing to guide your child in drawing his own hawk.

These are the largest tortoises in the world, yet they are only two inches long when they hatch! That's one of the facts you can learn from this worksheet.

Who is this Frankenstein guy anyway? He's not the monster -- he's the guy who invented him.

This fun worksheet is jam-packed with fun facts, a word search and trivia questions, all about the baboon!

Butterflies and moths may have very different colors, but they are from the same insect order! Learn about lepidoptera with a fun coloring page.

Help kids understand the size and scope of billions of years with this helpful reference worksheet.

Find out how scientists explain our yawns and use the graph to keep track of your family's yawns for a whole day!

When we get embarrassed or anxious, and all of a sudden our cheeks get red! Why does our body do this? Find out what scientists think blushing is all about.

Quite possibly the most famous constellation, the Big Dipper is a small part of Ursa Major, the big bear constellation.

Our ecosystems need a protector; is your third grader up to the challenge? Identify harmful pollutants in a science worksheet that doubles as a coloring page.

Without reflective surfaces, this biker would have a much more dangerous ride. Can you find all five reflective surfaces present in this scene?

Here is a fun animal info sheet that doubles as a spelling exercise! Your child will learn all about the Golden Eagle, and complete a word scramble.

How can an owl have long ears? Find out a few fun facts about the Long Eared Owl with an info sheet!

This coloring page doubles as an info sheet, all about the burrowing owl! Your child will get to draw his own owl using the grid helper.

Can't go to the zoo? We bring the zoo to you! Check out the fulvous whistling duck, a bird with social skills and the willingness to share each other's nests.

Bird-watchers will love this worksheet, featuring just a sample of the many song birds flying around Yellowstone National Park.

Get lost with a dizzying maze that challenges you to help the lightning bolt reach the ground!

If your kid gets excited about snakes, you need this cool worksheet. Learn a bit about carpet pythons, such as what colors they may be, and then color the picture.

Is your child crazy about snakes? Introduce him to the rosy boa with this fun and informative quiz.

Learn about the Uinta ground squirrels of Yellowstone National Park.

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

Searching for a worksheet to help your fourth grader with science? This printable will help him with geology.

How much do you know about our national bird? Enjoy an info page about the bald eagle, with a mini crossword, some fun facts and a picture to color.