why does a wadded up foil sink
- science - Ms. Sue, Saturday, July 7, 2012 at 6:31pm
science - drwls, Sunday, July 8, 2012 at 5:42am
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.