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Live from Antarctica 2: Layers in the Water Column
http://quest.arc.nasa.gov/antarctica2/main/t_guide/activity_142.html
From DLESE Community Collection (DCC)
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This activity will help students to understand that ocean water is sampled for chemicals and organisms. The sampling device must gather enough water for conducting all the tests, the depth at which the sample was gathered must be accurately known, the temperature at time of collection must be known, and it must not allow contaminants to enter as it is being brought up on deck. Students will design and evaluate the effectiveness of devices to sample specific water layers, and will investigate how changes in salinity and temperature affect water density.
Intended for grade levels:
  • Intermediate (3-5)
  • Middle (6-8)
Type of resource:
  • For the classroom:
    • Lab activity
Subject:
  • Ocean Sciences:
    • Biological oceanography
    • Chemical oceanography
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
Copyright 1996 Passport to Knowledge. All Rights Reserved.
DLESE Catalog ID: DLESE-000-000-007-271
Educational standards:
  • National Science Education Standards (NSES):
    • K-4:
      • Unifying concepts and processes:
        • Evidence, models, and explanation
      • A - Science as inquiry:
        • Abilities necessary to do scientific inquiry
      • E - Science and technology:
        • Abilities of technological design
    • 5-8:
      • Unifying concepts and processes:
        • Evidence, models, and explanation
      • A - Science as inquiry:
        • Abilities necessary to do scientific inquiry
      • E - Science and technology:
        • Abilities of technological design
Related resources:
This resource is part of 'Live From Antarctica 2: Teacher's Guide'
http://quest.arc.nasa.gov/antarctica2/main/t_guide/index.html
Resource contact / Creator / Publisher:
Publisher: National Aeronautics and Space Administration Quest