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Why is the Sea Salty?
http://ofcn.org/cyber.serv/academy/ace/sci/cecsci/cecsci166.html
From DLESE Community Collection (DCC)
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This activity combines science and art to provide an understanding about why the sea is salty. Students will obseve how salt concentration increases in water and how the salt remains after the water evaporates. They will do a salt painting using water, salt, and food coloring to observe the evaporation process.
Intended for grade levels:
  • Primary (K-2)
  • Intermediate (3-5)
Type of resource:
  • For the classroom:
    • Classroom activity
Subject:
  • Chemistry
  • Ocean Sciences:
    • Chemical oceanography
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
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DLESE Catalog ID: DLESE-000-000-002-864
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
      • D - Earth and space science:
        • Properties of earth materials
Related resources:
This resource is a version of
http://www.youth.net/cec/cecsci/cecsci.166.txt
Resource contact / Creator / Publisher:
Publisher: Academy Curriculum Exchange
Organization for Community Networks (OFCN)
http://ofcn.org/cyber.serv/academy/ace/