Students read all about seaweed and answer standards-based comprehension questions in this four-page reading comprehension worksheet.

Children learn about the environmental activist and women's rights advocate Wangari Maathai. Students will read a biography about the first African woman to win a Nobel Peace Prize and answer nonfiction comprehension questions about the text.

The silverback gorilla is a special animal. This magnificent male is part of an endangered species. Complete this sheet to learn all about this gentle giant.

The horned lizard has a scary exterior but a gentle personality. Your little student can learn about this North American lizard with this worksheet.

The California condor has been brought back from the brink of extinction. This worksheet will help your little bird lover learn all about the condor.

Whether you say buffalo or bison, it is still the largest land mammal in North America. Discover a bit more about this majestic animal.

The grizzly bear once roamed across most of North America; now its habitat has shrunk to the northwest. Discover more about the grizzly with this worksheet.

Children learn how the internet travels across the ocean through cables to create a giant, global information network in this engaging, hands-on worksheet.

In this worksheet, children learn about the role art plays in the celebration and messaging of Earth Day, which begain in 1970 to heighten awarness of environmental crises around the world.

Students use algebraic thinking to find the value of each symbol in this Earth Day math puzzle!