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Dating Lava Flows on Mauna Loa Volcano, Hawaii
http://www.teachersdomain.org/resource/ess05.sci.ess.earthsys.dateflows/
From DLESE Community Collection (DCC)
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For hundreds of thousands of years, lava flows have created intricate patterns on the slopes of Hawaii's Mauna Loa volcano. Until the mid-1970s, it was impossible to know when each of the flows occurred. However, as this video segment describes, a researcher has discovered a way to date the flows by determining the age of carbonized plant remains that they covered. The segment is four minutes thirty-three seconds in length. A background essay and discussion questions are included.
Intended for grade levels:
  • Intermediate (3-5)
  • Middle (6-8)
  • High (9-12)
Type of resource:
  • Visual:
    • Video
  • Text:
    • Ref. material
Subject:
  • Geological Sciences:
    • Geologic time
    • Geology
Technical requirements:
QuickTime plug-in
Cost / Copyright:
No cost
Source: NOVA: "Hawaii: Born of Fire". Copyright 2002-2006, WGBH Educational Foundation. All rights reserved.
DLESE Catalog ID: DLESE-000-000-009-892
Educational standards:
  • National Science Education Standards (NSES):
    • K-4:
      • B - Physical science:
        • Properties of objects and materials
      • D - Earth and space science:
        • Changes in earth and sky
        • Properties of earth materials
      • G - History and nature of science:
        • Science as a human endeavor
    • 5-8:
      • B - Physical science:
        • Properties and changes of properties in matter
      • D - Earth and space science:
        • Earth's history
        • Structure of the earth system
      • G - History and nature of science:
        • Science as a human endeavor
    • 9-12:
      • B - Physical science:
        • Structure of atoms
      • D - Earth and space science:
        • Energy in the earth system
        • Origin and evolution of the earth system
      • G - History and nature of science:
        • Science as a human endeavor
Resource contact / Creator / Publisher:
Publisher: WGBH Educational Foundation
http://www.wgbh.org/