Stretch your backbones and learn about the creatures that have a spine and those you don't!

Learn about the amphibians and reptiles of Yellowstone National Park.

Kids learn important plant and animal cell vocabulary as they plug the words into their correct spots and complete the puzzle.

Test your knowledge of prehistoric animals with this life sciences crossword puzzle!

Take a look and learn all about this beautiful and rare tiger from the islands of Sumatra in Indonesia.

Color in the gold and red colors of this common grasshopper species and learn about insect orders with your child!

These clever birds harden and disguise themselves as tree branches when threatened. Learn more and do some coloring with this worksheet.

Animal lovers can learn about sea creatures like sharks, tortoises and seahorses with this ocean habitat activity page, full of fun facts and a word search.

Dive into habitat studies with this second- and third-grade worksheet!

Explore the vast ocean with this habitat worksheet for second and third graders!

Take a trip down to the river with this second- and third-grade habitat worksheet!

Explore a wetland habitat with this engaging short-answer worksheet for second and third graders!

Explore a tropical rainforest habitat and its inhabitants with this engaging worksheet for third graders!

Bundle up and discover the animals of the tundra in this second-grade life science worksheet!

Read about Yellowstone's red foxes, some of the most cunning and smart animals around.

Practice classifying different animals in this engaging life science worksheet, created for second and third graders!

Discover what lives in the depths of the sea in this second- and third-grade habitat worksheet!

Learn more about a tide pool habitat with this life science worksheet for second and third graders!

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

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

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

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

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

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

What's your favorite animal? Kids love answering that question, and with this animal research graphic organizer, they can write all about it.

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

Some people think alligators and crocodiles are the same, but there are some distinct differences. Check out this cool worksheet to learn what they are.

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!

Learn about the great horned owl of Yellowstone National Park, a bird so big and mean that it has the nickname, "tiger owl."

Pigs, cows, and ducks, oh my! The clues in this animal crossword puzzle worksheet will help you remember what animals there are on a farm.