http://www.flashcardexchange.com/user/155056 en-us Wed, 15 Feb 2012 10:27:07 PST Wed, 15 Feb 2012 10:27:07 PST support@flashcardexchange.com 720 http://www.flashcardexchange.com/flashcards/view/588292 elements Sun, 09 Mar 2008 12:00:00 PST http://www.flashcardexchange.com/flashcards/view/588292 http://www.flashcardexchange.com/flashcards/view/573801 solids, liquids, gases Sun, 10 Feb 2008 12:00:00 PST http://www.flashcardexchange.com/flashcards/view/573801 http://www.flashcardexchange.com/flashcards/view/524471 Harmonic Motion: Frequency, applitude, period, cycle Wed, 24 Oct 2007 12:00:00 PDT http://www.flashcardexchange.com/flashcards/view/524471