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Understanding Ocean Acidification
http://dataintheclassroom.noaa.gov/SitePages/oa/index

Atziri Ibanez, Kate Thompson, Kenneth Casey, NOAA Ocean Data Education (NODE) Project

This series of five activities about ocean acidification incorporates real data from NOAA. The activities are organized as a pathway, with five levels increasing in sophistication, and different data-based inquiry activities.

Activity will take about five 40 minute class periods.

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Learn more about Teaching Climate Literacy and Energy Awareness»

Climate Literacy
About Teaching Climate Literacy

Individual organisms survive within specific ranges of temperature, precipitation, humidity, and sunlight. Organisms exposed to climate conditions outside their normal range must adapt or migrate, or they will perish.
About Teaching Principle 3
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The chemistry of ocean water is changed by absorption of carbon dioxide from the atmosphere. Increasing carbon dioxide levels in the atmosphere is causing ocean water to become more acidic, threatening the survival of shell-building marine species and the entire food web of which they are a part.
About Teaching Principle 7
Other materials addressing 7d
Ecosystems on land and in the ocean have been and will continue to be disturbed by climate change. Animals, plants, bacteria, and viruses will migrate to new areas with favorable climate conditions. Infectious diseases and certain species will be able to invade areas that they did not previously inhabit.
About Teaching Principle 7
Other materials addressing 7e

Benchmarks for Science Literacy
Learn more about the Benchmarks

The world contains a wide diversity of physical conditions, which creates a wide variety of environments: freshwater, marine, forest, desert, grassland, mountain, and others. In any particular environment, the growth and survival of organisms depend on the physical conditions
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Changes in environmental conditions can affect the survival of individual organisms and entire species.
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Notes From Our Reviewers The CLEAN collection is hand-picked and rigorously reviewed for scientific accuracy and classroom effectiveness. Read what our review team had to say about this resource below or learn more about how CLEAN reviews teaching materials
Teaching Tips | Science | Pedagogy | Technical Details

Teaching Tips

  • There is flexibility built into these lessons. Not all are necessary, depending on prerequisite knowledge of students. Educator should carefully read teachers' notes for explanations and other graphs necessary to build content knowledge, especially around understanding the relationship between aragonite saturation and calcification of shells.

About the Science

  • In learning about the causes of ocean acidification and its effect on coral reefs, students consider various data sets and images for ocean chemistry, including the relationships among CO2, pH, temperature, carbonate and aragonite saturation.
  • Passed initial science review, expert science review pending.

About the Pedagogy

  • This series of activities is structured into five levels - Entry, Adoption, Adaptation, Interactivity and Invention. The beginning levels - Entry and Adoption- are teacher-driven, whereas the last three levels become increasingly student-directed and inquiry-based.
  • Teacher notes provide good background information about the content. Background information document is important to guide the students.

Technical Details/Ease of Use

  • Downloadable student masters are in the teacher notes.
  • Teacher notes are comprehensive and clearly written.
  • Students complete the lessons on the computer; however it is possible to carry out these lessons with a teacher's computer and overhead if computers are not available.

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