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Pictures
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Science Fair -- Bridge Building Competition
     
The winning team.  This bridge held 54 lbs of sand for more than 30 seconds.  A new school record!

  
The second place team.  This bridge held 43.4 lbs.  Also a new record - but not for long.

   
The third place team.  This bridge held 21.4 lbs before gravity took over.  Good job guys!

Links to more learning adventures.