Atmosphere and Oceans
History of Earth's Atmosphere I: The Origin of the Modern Atmosphere
Volcanic Gases and Their Effects
From the U.S. Geological Survey (USGS), this site describes the different volcanic gases that are released during eruptions and how they affect the atmosphere.
Evolution Of The Atmosphere: Composition, Structure And Energy
Lecture from the University of Michigan on how Earth's atmosphere evolved into its current form.
How did Earth's atmosphere form?
From NASA and NOAA, information on the formation of Earth's atmosphere.
Life and the Evolution of Earth’s Atmosphere
PDF document from the American Museum of Natural History on Earth's atmosphere.
Discussion of early Earth's atmosphere from the National Earth Science Teachers Association.
Google - Research database allows searching of the scholarly literature.
An interactive tool from the Smithsonian Institution that allows you to change the amounts of oxygen, carbon dioxide, and ozone in a test atmosphere.
Next Generation Science Standards (NGSS)
Next Generation Science Standards: For States, By States
National Academies Press: A Framework for K-12 Science Education