Choose a second revision to compare to
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| Aug 11, 2009 7:28 am |  fowlerhome112 |
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| Aug 11, 2009 7:27 am | fowlerhome112 |
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| Aug 9, 2009 8:57 pm | TechCoachBCSD |
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| Aug 8, 2009 9:21 am |  teachcaine |
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| Aug 8, 2009 9:17 am | teachcaine |
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| Aug 5, 2009 2:18 pm | TechCoachBCSD |
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| Aug 5, 2009 2:06 pm | tknotek |
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| Aug 5, 2009 2:01 pm | tknotek |
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| Aug 2, 2009 1:19 pm |  scullin |
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| Aug 1, 2009 2:07 pm | hdemaline |
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| Aug 1, 2009 1:26 pm |  sheriwilliams |
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| Aug 1, 2009 7:37 am |  jgruss |
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| Aug 1, 2009 7:04 am | jgruss |
"Spangler's experiments always grab student's attention and often students tell me they went home and tried other experiments on his website. This one helps to explain changing only ONE variable during an experiment. Joyce Gruss" | |
| Jul 31, 2009 4:22 pm | jinniferroach |
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| Jul 31, 2009 12:18 pm | bbuchtel |
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| Jul 31, 2009 11:51 am | jditz |
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| Jul 31, 2009 3:50 am | dgreaves |
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| Jul 31, 2009 3:47 am | dgreaves |
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| Jul 30, 2009 7:07 pm |  heyteach1951 |
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| Jul 30, 2009 2:40 pm | tracydave21 |
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