Chris Lewis


City College of San Francisco

Workshop Participant, Website Contributor, Reviewer

Website Content Contributions

Activity (1)

Carbon Dioxide and Ocean Acidification part of Cutting Edge:Oceanography:Activities
Demonstrates the affect of increased dissolved carbon dioxide on water pH using a cheap, non-toxic acid/base indicator. Students bubble breath through a straw into red cabbage juice and note the color change.


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Member of the National Association of Geoscience Teachers

Workshop Participant (4 workshops)