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

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

These Valentine's Day cards will be the oddest and most unique cards your sweetie ever got!

Get to know the basic parts of a plant with this first- and second-grade life science worksheet!

Kids follow corn as it grows from seed to vegetable on this simple cut-and-paste growth chart.

Explore the life cycle of a pumpkin with your kids with this colorful cut and paste growth chart.

The best way for your young explorer to learn and understand how nature works is by going outside!

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

Take a quick lesson in the otters that inhabit Yellowstone National Park and take an even quicker quiz.

These flash cards serve as an intro to life science, but also help with counting skills and sequential ordering.

This fun cut and paste sheet teaches kids about the process an apple tree goes through as it grows.

Read about how the capybara live and other interesting facts about capybara. Sure to satisfy your curiosity about capybaras!

The insect order Hemiptera consists of True Bugs such as Stainers, Assassin Bugs, Leaf-Footed Bugs, and this Boxelder Bug.

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

If you're fascinated by bugs, check out this coloring page featuring the insect order Odonata, which consists of damselfies and dragonflies.

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

Children familiarize themselves with the tracks of a duck, bobcat, coyote, deer, raccoon, and black bear in this life sciences worksheet.

Can you figure out how the Triceratops got his name? Study this Triceratops fact sheet and see if you can guess.

Did you know plants make their own food? Discover how with this fill-in-the-blank worksheet for third and fourth graders!

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

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

This worksheet helps kids understand variations in animals and how the same kind, or species, can sometimes look different from each other.

Children learn to identify the tracks of a pine marten, chipmunk, mountain lion, mountain goat, and grizzly bear in this matching worksheet.

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

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

The next time your parents ask you to wash your hands before dinner, read this worksheet about Joseph Lister and take their advice!

Has your child learned about the life cycle of a frog in school? Test his understanding with this cute cut and paste worksheet.

Dreams can be delightful or downright terrifying. Discover the science behind dreams and try to figure out what your dreams say about you.

Too familiar with flies and mosquitoes? Learn about their insect order Diptera as your child colors this bug-lover's fun page.

Pick up some facts about squids, including about the fascinating Giant Squid, and do a bit of writing on this reading comprehension worksheet.