Get to know some of the friendly, furry, feathery river wildlife that live near American rivers, then match each one to its home.

Is your child crazy about snakes? Introduce him to the rosy boa with this fun and informative quiz.

Learn about the Uinta ground squirrels of Yellowstone National Park.

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

Learn how to analyze DNA with this informative exercise designed for middle-grade students!

What do a raven, a bat, and a wolf have in common? Similar skeletal structures! In this Halloween worksheet, middle-grade students will explore homologous structures in different animals. 

Use gel electrophoresis to solve an ice cream mystery in this fun worksheet!

 

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!

Reunite a family and their long-lost dog with the help of DNA testing in this middle-grade worksheet!

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

Have you ever wondered why giraffes have long necks or why lions have sharp teeth? Find the answers in this third- and fourth-grade worksheet about adaptations!

Spot the saboteur by testing DNA in this exciting middle-grade worksheet!

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

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

Learn about the life cycle of a tomato plant in this worksheet for second and third graders!

Did you know plants make their own food? Discover how with this fill-in-the-blank worksheet for third and fourth graders!

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

Discover the connections between the sun, plants, and animals in this fifth-grade worksheet all about photosynthesis!

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

Unearth fossils in this explorative third-grade worksheet!

Take a peek into a temperate forest ecosystem with this food web worksheet for fourth and fifth graders!

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

What is the purpose of a hard shell or a long neck? Discover different adaptations with this matching worksheet for second and third graders!

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

Have fun learning about food chains in this charming science worksheet!

Learn about the features of plant and animal cells in this compare-and-contrast worksheet!

Analyze fossils with this engaging third-grade science worksheet!

Do you know the functions of the primary organs in the human body? Put your knowledge to the test with this fourth- and fifth-grade crossword!

Have you considered why elephants have trunks, or why polar bears have thick fur? Reflect on animal adaptations with this fourth-grade worksheet!