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Coral Bleaching: Making Our Oceans Whiter

Teaching Materials by National Geographic - Starting Point page by R.E. Teed (SERC).
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This resource received an Accept or Accept with minor revisions rating from a Panel Peer Review process

These materials were reviewed using face-to-face NSF-style review panel of geoscience and geoscience education experts to review groups of resources addressing a single theme. Panelists wrote reviews that addressed the criteria:

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  3. pedagogical effectiveness
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Following the panel meetings, the conveners wrote summaries of the panel discussion for each resource; these were transmitted to the creator, along with anonymous versions of the reviews. Relatively few resources were accepted as is. In most cases, the majority of the resources were either designated as 1) Reject or 2) Accept with major revisions. Resources were most often rejected for their lack of completeness to be used in a classroom or they contained scientific inaccuracies.


This page first made public: Aug 30, 2006

This material was originally created for Starting Point:Introductory Geology
and is replicated here as part of the SERC Pedagogic Service.

Summary

This lesson plan deals with coral reefs and the recent increase in coral bleaching. The students will be learning about the ecology of reefs, the habitats they create, the algal symbiosis that ends with bleaching, and the role of human impact. The plan also outlines a role-playing debate for the students and an in-character written assignment to come up with a compromise to protect the reefs and the economies that depend on them.

Learning Goals

Students will:

Context for Use

The original middle-school lesson plan is expected to take three to four hours for presentation of the topic, student research, and the debate itself. In a university classroom, introducing the material and the exercise will probably take an hour, debating and the debriefing another, but the research (and probable writing) in between will take the students longer, depending on the instructor's expectations.

Description and Teaching Materials

The Coral Bleaching: Making Our Oceans Whiter (more info) web site contains a broadly defined lesson plan and a number of helpful links on corals and coral bleaching. For research, the students will at least need access to computers with Internet connections.

Teaching Notes and Tips

The original lesson plan is for middle-school students, but is somewhat vague. The roles for the debate are broadly defined (and probably a little too polarized for interesting interaction). The instructor will need to choose a specific problem reef case, possibly fictionalize it somewhat, and develop specific roles.

Assessment

The lesson plan recommends having students write an in-character letter offering and defending some sort of acceptable (to the character) compromise.

References and Resources

Scientific resources on coral bleaching are fairly easy to find. There are also papers on global economic impacts. Getting pro vs. con positions can be more challenging, but Debate Central's collection of articles on Coral Reefs includes some of those along with information on damage sustained by deep-water reefs due to fishing activity. What might be useful in this case are specifics for scenarios based in real localities.

Possible Settings:

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