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Science Brain Teasers

Science brain teasers require understanding of the physical or biological world and the laws that govern it.

Brain Teasers

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  Titleˆ Popularity Difficulty Submitted  
61 Chlorine and Sodium *** * 04/07/02 by bighippo4
62 Close Shave *** ** 06/14/07 by drussel3
63 Cold or Warm Gasoline? *** ** 12/05/02 by electronjohn
64 Conversions *** ** 08/28/10 by Mogmatt16
65 Cooking Quickly *** ** 02/20/03 by Phily
66 Cool Dan *** ** 01/05/03 by k2w2man
67 Cool Down *** * 05/26/03 by od-1
68 Cork in a Glass *** *** 07/20/02 by Bobbrt
69 Cork in Bucket *** *** 01/16/03 by electronjohn
70 Crazy Cousin Matt *** ** 02/15/06 by metallicman
71 Creepy Wager *** *** 08/03/04 by spookboy0
72 Crossbow Challenge *** ** 06/10/03 by ejasami
73 CSDSES *** *** 03/30/06 by Jessica
74 Cup of Coffee *** ** 06/09/02 by bobbrt
75 Cup of water *** * 09/04/01 by Pongalopete

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