Atmosphere and Oceans
History of Earth's Atmosphere II: The Rise of Atmospheric Oxygen
Further Exploration
Many Planets, One Earth: Atmospheric Oxygen
From The Habitable Planet, an online book about the Earth by Annenberg Learner.
The Field Museum provides this page on how ancient charcoal can reveal information about past atmospheric oxygen.
News & Events
The Origin of Oxygen in Earth's Atmosphere
A Scientific American article on how ancient, tiny organisms created the air we breathe.
A N.Y. Times article exploring scientific methods to understand how oxygen developed on Earth.
Research
Google - Research database allows searching of the scholarly literature.
Experiment!
An interactive tool from the Smithsonian Institution that allows you to change the amounts of oxygen, carbon dioxide, and ozone in a test atmosphere.
This interactive from PBS allows you to see how important not only the presence but the precise amount of oxygen is to life on Earth.
Next Generation Science Standards (NGSS)
Next Generation Science Standards: For States, By States
National Academies Press: A Framework for K-12 Science Education
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