What has two legs and carries its baby in a pouch? Fill in this crossword puzzle and learn some fun facts about two-legged creatures!

Investigate the mystery of why two tomato plants developed so differently!

This packet of worksheets introduces children to food webs, an important life science concept.

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

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

Uncover secrets of the past with this third-grade worksheet about fossils!

In this worksheet, children practice identifying animals of North America by their tracks.

Learn to identify and name the parts of a seed in this two-page science worksheet and quiz!

In this worksheet, students will read two different passages about the platypus. Kids will compare and contrast the passages, and identify the main ideas.

In 2012, an 80 million-year-old dinosaur was discovered, and you can learn all about this 20-foot, 2-ton horned herbivore.

This Bandicoot coloring page features two pictures to color of this rabbit-like animal and the opportunity to learn a few fun facts about Bandicoots!

Color the T Rex Leech! Named for its sharp teeth, he is one of many brand new species discovered in the past two years.

So what on earth is this funky creature? He is a Louisiana Pancake Batfish, one of several brand new species discovered within the past two years.

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.

Don't get too afraid of this cockroach, he lives all the way in South Africa! And he is one of many brand new species discovered in the past two years.

Think toads and frogs are the same? Think again! Check out this breakdown of the differences between the two, complete with a quiz to check your new knowledge.

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

Dig into the past with this third-grade worksheet all about fossils!

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

These pictures have a lot to say! The animals in this worksheet don't talkÃbut they can tell you a lot about what they're like by the way they look.

Children match animals to their ecosystems in this life sciences worksheet.

Children get to know animals of South America in this nature-themed worksheet.

Children hone their observation skills by matching the tracks to their corresponding water animal in this worksheet.

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

Observe the life cycle of an oriole with this second- and third-grade worksheet!

Unearth fossils in this explorative third-grade worksheet!

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

Learn about the life cycle of a tomato plant in this worksheet for second and third graders!

Are chickens mammals, fish, or birds? Sort animals by their traits in this informative life science worksheet!

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.