Unearth fossils in this explorative third-grade worksheet!

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

Which comes first, genus or phylum? To complete this life science crossword, kids need to put the 9 levels of biological classification in the correct order.

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!

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

What makes a reptile different from an amphibian?  Learn all about animal classifications in this worksheet for second and third graders!

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.

In this North American animal tracks worksheet, students hone their observation skills by matching tracks to animals.

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.

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

Read about one of Yellowstone National Park's coolest animals, the big horn sheep.

Practice identifying living and nonliving things with this first- and second-grade science worksheet!

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

Learn about Red River Hogs in this series of animals facts sheets and coloring pages in one.

Analyze fossils with this engaging third-grade science worksheet!

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

See which snail has gotten the farthest with this 2nd grade measurement snail race worksheet.

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

Whoa, this spider is quite the spinster! He is actually one of many brand new species discovered between 2009 and 2011.

Dive into habitat studies with this second- and third-grade worksheet!

Give your child a great coloring page full of fun flower facts! This one is about the iris flower and the butterfly.

Decide which plants could live in a grassland with this second- and third-grade worksheet!

Determine which plants would survive in a pond with this second- and third-grade worksheet!

Walter's Duiker is a new species of duiker, a kind of antelope, and one of many new species discovered between 2009 and 2011.