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Frozen Earth
http://climate.nasa.gov/climate_reel/FrozenEarth

nasa.gov/multimedia

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

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
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Melting of ice sheets and glaciers, combined with the thermal expansion of seawater as the oceans warm, is causing sea level to rise. Seawater is beginning to move onto low-lying land and to contaminate coastal fresh water sources and beginning to submerge coastal facilities and barrier islands. Sea-level rise increases the risk of damage to homes and buildings from storm surges such as those that accompany hurricanes.
About Teaching Principle 7
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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
Sometimes, scientists can control conditions in order to obtain evidence. When that is not possible, practical, or ethical, they try to observe as wide a range of natural occurrences as possible to discern patterns.
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

  • 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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