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Aug 26, 2013 9:43 pm mrarca mrarca
Aug 26, 2013 9:25 pm mrarca mrarca "Reverted to Sep 1, 2012 1:35 pm: Egg Drop Assignment"
May 11, 2013 12:07 am mrarca mrarca "Reverted to May 10, 2012 1:44 pm: 20 to 30 minute demonstrations"
Apr 10, 2013 10:35 pm mrarca mrarca
Mar 20, 2013 12:55 am mrarca mrarca "Reverted to Mar 16, 2013 1:55 pm: Science Fair"
Mar 16, 2013 12:42 am mrarca mrarca "Reverted to Mar 11, 2013 8:32 pm: Static Electricity"
Mar 15, 2013 10:55 pm mrarca mrarca
Mar 11, 2013 5:32 am saki0923 saki0923
Mar 5, 2013 4:35 pm mrarca mrarca
Mar 4, 2013 7:09 pm mrarca mrarca
Feb 25, 2013 6:21 pm mrarca mrarca
Feb 23, 2013 9:06 pm mrarca mrarca
Jan 7, 2013 7:46 pm mrarca mrarca
Jan 6, 2013 5:59 pm mrarca mrarca
Jan 6, 2013 5:39 pm mrarca mrarca
Jan 2, 2013 6:10 pm mrarca mrarca
Jan 2, 2013 6:04 pm mrarca mrarca
Jan 2, 2013 5:20 pm mrarca mrarca "Reverted to Jan 3, 2012 3:11 pm: How We Explore Space"
Nov 24, 2012 12:36 am mrarca mrarca
Nov 24, 2012 12:34 am mrarca mrarca