Dilemma at Dawson Creek

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					                  Questions
• State which words refer to properties of the
  substances and which refer to properties of
  the objects?
  – A sharp, heavy, shiny, stainless steel knife
  – A small chunk of black tar
  – A beautifully carved wooden chair
• A student announced that she had made a
  sample of a new material that had a density
  of 0.85g/cc. Can you tell how large a
  sample she made? How?

• How could you distinguish between
  unlabeled cartons of milk and cream?

• How could you determine the density of
  ice?
     • A student has several different size samples
       of substances C & D. She measures masses
       and volumes and plots them. Which
       substance has a greater density, how do you
       know?

                   C
Mass (g)




                          D



           Volume (cm3)

				
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posted:7/18/2013
language:English
pages:3