Carbon Dioxide Removal

American Museum of Natural History

In this experiment, students observe a natural process that removes carbon dioxide (CO2) from Earth's atmosphere. This process is a part of the carbon cycle and results in temperature suitable for life. Students learn that the carbon cycle is a fundamental Earth process. Throughout Earth's history, the balance of carbon has kept the atmosphere's carbon dioxide (CO2) and Earth's temperature within relatively narrow ranges.

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Notes from our reviewers

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The educator should incorporate articles that explain the carbon cycle and chemical equations, and possibly more information to provide more evidence for global warming and the connection between CO2 in the atmosphere and global warming. It is a good idea to have a larger sized diagram of the carbon cycle (that is legible) available for student use.
It is an easy introductory lesson to the carbon cycle. The activity effectively shows oxygen production of Elodea photosynthesis. Diagrams included to help explain procedure and carbon cycle. The educator will have to go to other sources for background material if needed. Comment from expert scientist: This activity should be supplemented by additional and more in-depth information about the carbon cycle. It is important to note that fossil fuel combustion, vegetation burning, and deforestation, as well as plant soil respiration, are important other sources of CO2.