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

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.

Unearth fossils in this explorative third-grade worksheet!

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

Did you know there are tiny owls? Learn all about the Elf Owl with this fun page, including a word scramble with words from the fun facts box.

This short nonfiction text will provide students with an opportunity to become more comfortable with identifying and defining academic vocabulary words—and they'll have fun learning all about the life cycle of a chicken in the process!

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

Learn about the Uinta ground squirrels of Yellowstone National Park.

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.

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

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!

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

Dive into a coral reef ecosystem with this life science worksheet!

Step into the swamp ecosystem with this engaging life science worksheet!

Stroll through the flora of a temperate deciduous forest in this third-grade worksheet!

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

Discover the animals and plants of the past in this fossil-focused worksheet!

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!