cobrien
unread,May 20, 2013, 12:35:47 PM5/20/13Sign in to reply to author
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The purpose of the practices are a context in which to learn science. They show knowledge through use. I see the practices as the steps of the scientific method. Rather than spending one unit/chapter teaching kids how scientists do science, that concept will be woven into everything as it is taught. This is far more reading, writing, interpreting, etc. than traditional science classrooms require.