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

Students compare structures in the bodies of different organisms in order to draw conclusions about evolutionary relationships in this life science worksheet!

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

Explore how the fossil record is used to study the evolution of organisms in this engaging science worksheet for middle grades!

Discover how dolphins use sound to see in this fascinating worksheet!

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. 

Dive into a coral reef habitat with this second- and third-grade worksheet!

Take a walk through a flora-filled forest with this second-grade habitat worksheet!

Uncover the plant life of an icy tundra with this habitat worksheet for second and third graders!

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

Decide which plants could survive in the desert with this second- and third-grade habitat worksheet!