Can you catchh a napkin on fire with alumiumn foil and a aa battery an dhow does it work?
HmNot sure there's enough juice in a single AA battery to pull it off, but I've only accidentally set things on fire with lantern batteriesAluminum foil is an okay conductor, but as current flows though it there will be heat generatedIf you connect the two ends of a battery with a strip of aluminum foil, it will start to heat upIt might even heat up enough to set fire to paperThe heat happens because as the current flows through the metal, it bumps into atoms and loses energy in the processThis bumping on the microscopic scale is seen as heat by usDo NOT attempt this experiment unless you have set it up in a place where catching fire won't be a problemI'd suggest doing it on a frying pan atop a stove, with a fire extinguisher ready just in caseI'd also suggest keeping the battery and napkin far enough apart that you won't actually set fire to the battery itself.a burning battery can do nasty stuff, depending on the chemicals inside.
