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Visualizing the 2012 Sea Ice Minimum
http://earthobservatory.nasa.gov/IOTD/view.php?id=79256&src=fb

Jesse Allen, Michon Scott, Mike Carlowicz, NASA Earth Observatory

This interactive visualization from the NASA Earth Observatory website compares Arctic sea ice minimum extent from 1984 to that of 2012.

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Climate Literacy
About Teaching Climate Literacy

The interconnectedness of Earth’s systems means that a significant change in any one component of the climate system can influence the equilibrium of the entire Earth system. Positive feedback loops can amplify these effects and trigger abrupt changes in the climate system. These complex interactions may result in climate change that is more rapid and on a larger scale than projected by current climate models.
About Teaching Principle 2
Other materials addressing 2f
Environmental observations are the foundation for understanding the climate system. From the bottom of the ocean to the surface of the Sun, instruments on weather stations, buoys, satellites, and other platforms collect climate data. To learn about past climates, scientists use natural records, such as tree rings, ice cores, and sedimentary layers. Historical observations, such as native knowledge and personal journals, also document past climate change.
About Teaching Principle 5
Other materials addressing 5b

Benchmarks for Science Literacy
Learn more about the Benchmarks

Scientific investigations usually involve the collection of relevant data, the use of logical reasoning, and the application of imagination in devising hypotheses and explanations to make sense of the collected data.
Explore the map of concepts related to this benchmark

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

About the Science

  • The amount of sea ice loss over the past 28 years is quite dramatic.
  • Accompanying background information discuss how the data was collected and explains the loss of ice extent as a positive feedback mechanism.
  • Comments from expert scientist: The development of Arctic sea ice is an important topic. The sea ice extent minimum of 2012 is presented in a clear manner that is easy to understand, but also conveys its importance.

About the Pedagogy

  • Quite a bit of informational text accompanies the graphic.
  • Further resources for exploration are hyperlinked in the text.

Technical Details/Ease of Use

  • Slider is easy to use; images are clear.

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