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Is Our Water Clean?
http://www.tceq.state.tx.us/assets/public/assistance/education/water/is_water_cl ...
From DLESE Community Collection (DCC)
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Most people today get their water from public utility companies, who obtain it from a natural source. Some of our water comes from surface water such as lakes and rivers. Other utility companies get water from underground sources (rock, clay, sand, gravel) called aquifers. Public utility companies must clean this water to make it safe. This process is called water treatment. This lesson has students identify qualities of clean water and teaches them basic filtering processes. It contains a list of materials, background information, procedure and ideas for extension into other subject areas.
Intended for grade levels:
  • Primary (K-2)
Type of resource:
  • For the classroom:
    • Lesson plan
Subject:
  • Environmental science
  • Hydrology
Technical requirements:
Adobe Acrobat reader
Cost / Copyright:
No cost
Copyright 2002, 2003 Texas Commission on Environmental Quality
DLESE Catalog ID: DLESE-000-000-005-254
Educational standards:
  • National Science Education Standards (NSES):
    • K-4:
      • A - Science as inquiry:
        • Understanding about scientific inquiry
      • D - Earth and space science:
        • Properties of earth materials
      • E - Science and technology:
        • Understanding about sci. / tech.
      • F - Science in personal / social perspectives:
        • Sci. / tech. in local challenges
Resource contact / Creator / Publisher:
Publisher: Texas Commission on Environmental Quality
http://www.tceq.state.tx.us/