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!

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

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

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

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

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.

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

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

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

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

Do you know which animal has two humps? Your child will use clues to determine what animal name fits in the crossword puzzle with this worksheet.

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.

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.

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!

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

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

Learn the importance of natural adaptations with this inquisitive activity!

Discover how plants survive in the desert with this third-grade habitat worksheet!

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

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

Ecosystems are an important part of fourth grade science. This fun printable will help your child with her knowledge of plants and animals.

Looking for a worksheet that will give your kid help with his life-science skills? This printable will challenge his knowledge of birds.

Looking for a fun way to supplement your child's science learning? Try out a life science crossword puzzle! This one's all about ecosystems.

Unearth fossils in this explorative third-grade worksheet!

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

In this animal-based life science worksheet, students will learn that animals inherit certain traits from their parents.

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.