This nonfiction passage helps kids develop reading comprehension skills, as well as learn important ecological facts.

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

What happens to our food after we swallow it? Chomp on some body science with this diagram of the digestive system.

Ancient mariners mistook the manatee for a mermaid! Your young biologist won't make the same mistake after learning about the manatee with this worksheet.

Unearth fossils in this explorative third-grade worksheet!

Can your child name 10 animals that make their home in the mountains? After completing this worksheet, he'll know all about mountain habitats!

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.

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

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

Be a busy bee as you learn all about the different jobs honey bees have in their hives!

The narwhal is one unusual animal! Your child will learn about this horned sea creature through text and pictures.

Introduce children to photosynthesis with this fill-in-the-blanks life sciences worksheet!

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

Discover the importance of butterflies in pollination with this informative worksheet!

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

Learn the importance of natural adaptations with this inquisitive activity!

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.

Help your child learn about the nervous system and the digestive system with this fun worksheet, which will challenge his knowledge of physiology.

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

Learn about the Uinta ground squirrels of Yellowstone National Park.

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

Check out the alligator gar's huge jaw, and color it in!

Learn more about two kinds of aquatic biomesÃfreshwater and saltwater biomesÃand how you can tell them apart.

Challenge your child' memory skills with this colorful worksheet. This fun printable will help with memorization skills and spatial awareness.

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.