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Frozen Earth


This video montage of spectacular NASA satellite images set to music shows different types of ice and ice features as well as descriptions of satellite-based measurements of ice cover. Text captioning provides guidance as to issues related to changing global ice cover and its measurement.

Video length: 4:59 min.

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Climate Literacy
About Teaching Climate Literacy

Observations are the foundation for understanding the climate system
About Teaching Principle 5
Other materials addressing 5b
Sea level rise and resulting impacts is due to melting ice and thermal expansion and increases the risk
About Teaching Principle 7
Other materials addressing 7a

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

  • The sound is basically just music, so it can be turned off and the video can be used like an automated PowerPoint presentation; it would work well with teacher-provided lecture content.
  • The animated graph of Arctic ice minima is compelling and important, but underplayed in the video - it disappears too quickly. So instructors may want to stop the video to talk about it.

About the Science

  • NASA satellite imagery of different types of natural ice on Earth (glaciers, sea ice, mountain snow/ice cover, etc.).
  • Animations of global ice cover and of the varied NASA satellites that track ice cover.
  • Comment from expert scientist: It broadly covers the different "forms" of ice found on the planet. Visually stimulating.

About the Pedagogy

  • Uses engaging NASA images of all types of ice features.
  • Some of the imagery is false color, which is not explained; teachers will have to do some homework to field students' questions about these pictures. Some others (like blue ice glacier calving fragments) are natural color and are also not explained or highlighted. Teachers will want to review the video before using to be certain they know what kinds of images are being presented.

Technical Details/Ease of Use

  • Images are beautiful and of high quality.

Related URLs These related sites were noted by our reviewers but have not been reviewed by CLEAN

See http://iup.physik.uni-bremen.de:8084/amsr/amsre.htmlfor daily AMSR-E sea ice concentration images, http://nsidc.org/arcticseaicenews/ for updated Arctic sea ice news, and http://nsidc.org/sotc/ for information about the state of the cryosphere.

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