CK-12 Foundation
Ck 12: Earth Science: Heat Transfer in the Atmosphere
[Free Registration/Login may be required to access all resource tools.] Looks at how heat is transferred in the atmosphere.
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.
Other
Italyguide: Environmental Settings
This Italian "Environmental Settings" site contains information about the Geological Substratum of Italy, Landforms of Italy, the Alps, the Po-Venetian Plain, the Apennines, the islands, the coastline, Climatic Conditions, Inland Waters,...
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Georgia Perimeter College: The Permian Period
This resource provides basic information of the changes that took place during the Permian period as well as the animals that populated the Earth during this time.
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Earth Sky: When Did Humans Start Altering Earth?
The ArchaeoGlobe Project assessed knowledge on human land use over the past 10,000 years, through the contributions of more than 200 archaeologists. It concluded that, by 3,000 years ago, most of Earth was already transformed by...