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Students Measure Changes in Ice and Snow
http://www.pbslearningmedia.org/resource/ean08.sci.ess.watcyc.lakesnow/

Fairbanks KUAC and Geophysical Institute of the University of Alaska, Teachers' Domain

This short video features the Alaska Lake Ice and Snow Observatory Network (ALISON project), a citizen science program in which 4th and 5th graders help scientists study the relationship between climate change and lake ice and snow conditions.

Video length 1:56 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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Climate plays an important role in the global distribution of freshwater resources. Changing precipitation patterns and temperature conditions will alter the distribution and availability of freshwater resources, reducing reliable access to water for many people and their crops. Winter snowpack and mountain glaciers that provide water for human use are declining as a result of global warming.
About Teaching Principle 7
Other materials addressing 7b

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

  • Link to the ALISON project found here http://www2.gi.alaska.edu/alison/, with ample ideas for how students might be able to download the data and compare locations around Alaska. Links to other related publications can also be found on this page.

About the Science

  • Investigations by students contribute to a larger data set that examines how lakes store solar energy and how measurements of snow density, ice thickness, thermal conductivity, and temperature gradients provide information about climate.
  • Comments from expert scientist: Presents a nice overview of a crowd-sourced research program to study the impact of climate change on Alaskan Lakes, and use these lakes as monitors of climate change. This is more of an overview of a project, than a presentation of scientific facts.

About the Pedagogy

  • Background essay, discussion questions, and standards alignment are provided.

Technical Details/Ease of Use

  • Quality of the video not high quality so is best viewed on computer monitor screen or on desktop computer.

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