Hard or Soft Water?

Hard or Soft Water?
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Grade:
6
7
8
9
10
Subjects:
Science
Electricity
Electricity and Magnetism (Electromagnetism)
Physics
Ponds and Marshes
Lakes
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Pollution
Water Cycle, Ground Water, Rivers (Hydrology)
Natural Resources
Habitats and Ecosystems
Ecology
Biology
Environmental Science
Earth Science
Geology
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Type:
Activities
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Students determine the hardness of two water samples, labeled only as A and B. Assesses their understanding of factors that affect water quality, including the hardness of water. Scoring rubric and background notes included.

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