http://expertvoices.nsdl.org/sciencegeekgirl/2009/06/21/hands-on-science-sunday-ticker-tape-timer-for-measuring-motion/ Cool science tricks; pedagogical tips for grades 9-14 educators; research on learning and teaching; hands-on activities Mon, 23 Nov 2009 10:10:22 +0000 http://wordpress.org/?v=2.3.3 http://expertvoices.nsdl.org/sciencegeekgirl/2009/06/21/hands-on-science-sunday-ticker-tape-timer-for-measuring-motion/#comment-66 Rairateatu Wed, 22 Jul 2009 03:47:01 +0000 http://expertvoices.nsdl.org/sciencegeekgirl/2009/06/21/hands-on-science-sunday-ticker-tape-timer-for-measuring-motion/#comment-66 i think this is pretty fair to the project that i am doing. i think this is pretty fair to the project that i am doing.

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