"C" IN PHYSICS
'(<a href="http://www.j-archive.com/media/2008-04-28_DJ_20.wmv">Kelly of the Clue Crew puts her spin on an experiment.</a>) When the turntable is still, the marble moves in a straight line; when the turntable moves, even though it doesn't look that way, the marble continues to move in a straight line, illustrating this wind-related effect'
the Coriolis effect