Learn more about what lives--and what thrives--in marshes with this fill-in-the-blank worksheet on marsh ecosystems.

Discover what lives in the depths of the sea in this second- and third-grade habitat worksheet!

What makes a frog living and a robot nonliving? Use observable traits to distinguish between living and nonliving things!

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

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

Spot the living things in nature with this engaging life science worksheet!

Puzzle your way to ecosystem understanding in this engaging activity!

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!

Explore a wetland habitat with this engaging short-answer worksheet for second and third graders!

Dive into a coral reef ecosystem with this life science worksheet!