The purpose of the lessons is to teach about ocean acidification, its causes and impacts on marine life especially zooplankton, an essential part of marine food webs. Included in the materials is background information on ocean acidification. There are four different activities included in this document. To do all four you should plan on at least two 45 minute periods. The activities define and explain the process of acidification as well as its impacts on shelled organism. The materials can be adapted and used for grades 5-6 and adding more indepth information makes it suitable for middle and high school students.

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Author: Vicki Osis
Oregon state University emeritus.