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Lesson Plan June 2, 2015

The Effects of Ocean Acidification


Questions for "Sea Change: Vital Part of Pacific Food Web Dissolving"

A. Watch the video and answer the following questions:

  1. What is a pteropod?
  2. How is it affected by ocean acidification? 
  3. How are these animals connected to humans?

B. Read the article and answer the following questions:

  1. True or False: Ocean acidification is affecting pteropods at the rate that scientists expected.
  2. What is causing ocean acidification? How are humans involved?
  3. What was surprising about the results of the scientists' study on shell deterioration in pteropods? 
  4. True or False: Pteropods can patch/repair their shells. 
  5. What other animals are affected by a loss of pteropods?

Questions for "Alarm Over Crab: Lucrative Crab Industry in Danger"

  1. Where does the video mostly take place?
  2. Who is interviewed as part of the video?
  3. How does the video describe ocean acidification?
  4. What is the effect of increased carbon dioxide on the crab?
  5. In the study that scientists did on king crab, what were some of the effects of increased carbon emissions?
  6. What was surprising to the scientist Jeremy Mathis when he went to study the ocean in the Pacific Northwest?
  7. What is the effect of ocean acidification on crab fisherman? 
  8. The scientists conclude with a question about the impact of ocean acidifcation on the ocean's food web. What do you think might be one of the effects?


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