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A Winter's Tale
This resource explores winter weather and frozen precipitation. The page on precipitation points out that snow and rain are both water and explains how the different forms of frozen precipitation (snow, sleet, freezing rain) occur. There is a page on cirrus clouds that explains their characterstics and how they may affect climate by reflecting solar radiation or reducing outgoing infrared energy from Earth. The Jet Stream page explains the characteristics of these high-speed rivers of air, including what causes them and their effect on weather and climate. There is also a feature on the esthetic wonders of frozen water, including halos produced by ice crystals in the air, sparkling of snowflakes, why fresh snow squeaks when stepped on, and why it is silent during a snowfall. A bibliography is also provided.
Intended for grade levels:
  • Intermediate (3-5)
  • Middle (6-8)
  • High (9-12)
Type of resource:
  • Visual:
    • Illustration - scientific
    • Map
    • Photograph
  • Text:
    • Ref. material
Subject:
  • Atmospheric science
  • Climatology
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
Copyright 2007, University of Wisconsin, Board of Regents.
DLESE Catalog ID: DLESE-000-000-001-980
Educational standards:
  • National Science Education Standards (NSES):
    • K-4:
      • B - Physical science:
        • Light, heat, electricity, and magnetism
    • 5-8:
      • B - Physical science:
        • Transfer of energy
      • D - Earth and space science:
        • Structure of the earth system
    • 9-12:
      • B - Physical science:
        • Conservation of energy and increase in disorder
      • D - Earth and space science:
        • Energy in the earth system
Resource contact / Creator / Publisher:
Publisher: The Why Files
http://whyfiles.org/