671 | Add to Reading ListSource URL: www.kidsciencechallenge.comLanguage: English - Date: 2012-08-16 23:27:19
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672 | Add to Reading ListSource URL: www.nss.orgLanguage: English - Date: 2006-10-17 15:33:34
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673 | Add to Reading ListSource URL: www.kidsciencechallenge.comLanguage: English - Date: 2012-08-16 23:28:08
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674 | Add to Reading ListSource URL: www.nss.orgLanguage: English - Date: 2011-05-11 16:08:41
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675 | Add to Reading ListSource URL: www.kidsciencechallenge.comLanguage: English - Date: 2012-08-16 23:27:32
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676 | Add to Reading ListSource URL: www.mrc.uidaho.eduLanguage: English - Date: 2010-10-18 12:21:25
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677 | Add to Reading ListSource URL: www.kidsciencechallenge.comLanguage: English - Date: 2012-08-16 23:27:57
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678 | Add to Reading ListSource URL: www.lpi.usra.eduLanguage: English - Date: 2012-05-11 09:43:53
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679 | Add to Reading ListSource URL: www.nss.orgLanguage: English - Date: 2011-05-13 16:23:01
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680 | Add to Reading ListSource URL: www.nasa.govLanguage: English - Date: 2013-06-26 22:04:52
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