Hard or Soft Water?
Page Description: 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.Grade Levels: 6 - 10
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Excerpted from
Pearson Prentice Hall
Excerpted from Prentice Hall Science Explorer Resources Pro CD-ROM © 2000 Pearson Education Inc., publishing as Pearson Prentice Hall. Used by permission.
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