Richard Rueb

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Clackamas Community College

Materials Contributed through SERC-hosted Projects


Using the pH Scale and Carbonic Acid Formation to Understand the Effect of Ocean Acidification on Organisms with Calcium Carbonate Shells. part of Integrate:Workshops:Teaching about Risk and Resilience:Activities
In this lab activity, students work with the pH scale and the reaction of carbon dioxide with water to understand how anthropogenic carbon dioxide causes ocean acidification. Next students use weight loss from shell pieces in solutions of different pH values to examine the effect of acidification on calcite dissolution. Then students graph atmospheric and oceanic carbon dioxide levels over time to see how the ocean is responding to increased levels of carbon dioxide in the atmosphere. Finally, students make predictions regarding how oceans might be affected by anthropogenic carbon dioxide.


Ocean Acidification and the West Coast of North America part of Integrate:Workshops:Teaching about Risk and Resilience:Real-World Examples
Richard Rueb, Science, Clackamas Community College Summary The world's oceans are becoming increasingly acidic as a result of rising levels of carbon dioxide in the atmosphere. The coastal waters of the West ...

Events and Communities

Risk and Resilience Workshop 2014