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Understanding Ocean Acidification

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

Climate's role in habitats ranges and adaptation of species to climate changes
About Teaching Principle 3
Other materials addressing 3a
Increased acidity of oceans and negative impacts on food chain due to increasing carbon dioxide levels
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
About Teaching Principle 7
Other materials addressing 7e

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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