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.

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

In this worksheet, children will learn about the intricate "waggle dance" honeybees use to communicate to each other.

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

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

Track down some of the most famous animals of the Amazon -- and other places -- with this rainforest coloring page that doubles as a life-science lesson.

Children learn about the food cycle in a rain forest as they color in a scene of snakes, butterflies, leopards, and other forest-dwelling creatures.

Unearth fossils in this explorative third-grade worksheet!

You have a lot in common with all the other humans on this planet. You all have noses and arms and fingernails, but what makes you different?

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.

Take a trip down to the deep blue sea and learn about the life cycle of a fish! Fish go through the same stages of life as many other living things.

Can't go to the zoo? We bring the zoo to you! Check out the fulvous whistling duck, a bird with social skills and the willingness to share each other's nests.

Why do some desert animals have large ears? Why do others have scales? Learn the answers to these questions and more with this life science worksheet!

Learn about the Uinta ground squirrels 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!

Step into the swamp ecosystem with this engaging life science 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!

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.

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

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.

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.

Learn all about your body's most important muscle: your heart! This simple diagram is a great way to introduce your little biologist to his heart.

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

Learners will discover a simple overview of the human muscle system in this introductory worksheet.

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