PHYSICAL SCIENCE
'(<a href="http://www.j-archive.com/media/2006-05-31_DJ_11.jpg" target="_blank">Sarah of the Clue Crew swirls water in a bottle.</a>)  I'm creating a small version of <a href="http://www.j-archive.com/media/2006-05-31_DJ_11a.jpg" target="_blank">this</a>, a mass of fluid in a swirling motion; whirlpools, tornadoes & sunspots are bigger versions'
a vortex