Identifying Metals By Density Lab Worksheet Page 3
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3IDENTIFYING U NKNOWN M ETALS B Y D ENSITY
TEACHER NOTES:
You can order the 6 metal cubes (1 cubic cm volumes) from any science supply catalog,
but they are cheapest at
Use mossy zinc for the unknown metal. Be sure that the pieces are weighed before they
get wet. And be sure that all air bubbles have been removed on the submerged metal
before taking final volume reading.
Using more than one piece of zinc metal may improve results as the relative error in
reading the volumes will be reduced with increased metal volumes.
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