Embedded Files
PIRA Class: 2B40.12
Purpose:
Students are surprised to find that some rocks can float.
Description:
Pumice is volcanic rock containing cavities throughout resulting in a surprisingly low density allowing it to float in water.
The floating rock bucket also contains an assortment of balls some of which float and some of which sink.
Equipment:
Pumice rock, bucket
Web Simulation:
Location:
Shelf 162
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