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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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  Title Popularity Difficultyv Submitted  
286 Ballooning *** * 05/22/02 by Roman_Phoenix
287 Universal Solvent *** * 07/23/02 by bonboy5
288 Earth's Weight *** * 03/25/02 by 204_BLaZe_41
289 Time For a New Hobby *** * 08/12/04 by od-1
290 Not So Great Inventions #4 *** * 01/26/04 by od-1
291 They Lived? *** * 11/07/03 by howdyall1311
292 Which weighs more? ** * 02/01/01 by Mr. G
293 Hydrologic Cycle *** * 01/15/11 by summer868
294 Flying in the Sky ** * 11/15/07 by Fire_Shell96

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