Center for Educational Technologies
Exploring the Environment: Earth System Science
Explains what the four spheres of the Earth are, and the interactions between them.
Science Education Resource Center at Carleton College
Serc: Relationships Between Tree Ring Dating, Wildfires, and Floods
In this instructional activity students will understand the four spheres of the earth and how they relate to one another. This project uses a combination of Internet investigations and multiple field investigations to develop an...
California State University
Csu: The Sourcebook for Teaching Science: Earth Systems Interactions
Explains what the four spheres of the Earth are and describes how volcanic eruptions affect the different spheres. Also provides a list of events that are examples of interactions.
Rice University
Museums Teaching Planet Earth: What Is the Geosphere?
Describes Earth's layers, which make up the geosphere.