Asked by lora

why does a wadded up foil sink
Answered by Ms. Sue
http://www.newton.dep.anl.gov/askasci/gen06/gen06769.htm

Answered by drwls
Metal foils such as aluminum have a higher density than water. By "wadding it up" you prevent there being any empty volumes inside to give it buoyancy. The denser material (the foil) sinks to the bottom.
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