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Lava Sampling on Kilauea Volcano, Hawaii
This video segment shows how scientists collaborate to collect and chemically analyze samples of molten lava as part of their quest to learn more about how volcanoes work. Working at Kilauea volcano, scientists collect samples of lava before it has a chance to cool so they can study the chemical properties it had when it was deep within Earth's interior. The samples are sent to a laboratory where other scientists determine their chemical compositions. Questions such as whether two volcanoes share a common magma source can be answered through such analyses. The segment is five minutes forty-seven seconds in length. A background essay and list of discussion questions are also provided.
Intended for grade levels:
  • Middle (6-8)
  • High (9-12)
Type of resource:
  • Visual:
    • Video
  • Text:
    • Ref. material
Subject:
  • Geological Sciences:
    • Geochemistry
    • Geology
Technical requirements:
QuickTime plug-in
Cost / Copyright:
No cost
Source: NOVA "Hawai'i: Born of Fire". Copyright 2002-2006, WGBH Educational Foundation. All rights reserved.
DLESE Catalog ID: DLESE-000-000-009-850
Educational standards:
  • National Science Education Standards (NSES):
    • 5-8:
      • 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:
      • D - Earth and space science:
        • Energy in the earth system
        • Geochemical cycles
        • Origin and evolution of the earth system
Resource contact / Creator / Publisher:
Publisher: WGBH Educational Foundation
http://www.wgbh.org/