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.

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

Unearth fossils in this explorative third-grade worksheet!

Your child will write about his or her favorite animal. Kids will research their favorite animals online or at the library, then write down three facts.

Are cats trying to talk to us when they purr? Discover the meaning behind the purr in this worksheet that explores the three main types of cat purrs.

Blue whale facts include that calves weigh up to three tons at birth and adults can be as heavy as 200 tons. Get other cool blue whale facts on this worksheet.

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!

Help your 2nd grader crack the code using triple digit addition and subtraction to find out what parts of camels can be used to make some tasty dishes.

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!

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

Learn about the Uinta ground squirrels of Yellowstone National Park.

This worksheet featuring food and natural resources touches on the subject of food chains.

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

Explore grasslands and their fauna in this thought-provoking worksheet!

Explore the lush plant life of the tropical rainforest in this second- and third-grade worksheet!

Analyze fossils with this engaging third-grade science worksheet!

Dip your toes into a marsh habitat in this second- and third-grade worksheet!

Deserts might seem inhospitable to life, but there are actually plenty of animals that can live there!

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