Science Education Resource Center at Carleton College
Serc: Interpreting the Geologic History of Canyon De Chelly
Earth Science teachers will combine field observations with the information given in the classroom to interpret the geologic history of Canyon de Chelly, Arizona.
CK-12 Foundation
Ck 12: Earth Science for Middle School
This digital textbook covers core earth science concepts and includes interactive features, real-world examples, videos, and study guides.
CK-12 Foundation
Ck 12: Fourth Grade Science
This customizable digital textbook covers topics related to fourth-grade science. It is Next Generation Science Standards (NGSS) aligned.