Thursday, January 31, 2013
Wednesday, January 30, 2013
Thursday, January 3, 2013
Endothermic or Exothermic?
We experimented by mixing different substances with water to find out if the reaction was endothermic or exothermic. If there was a decrease in temperature, it was endothermic. An increase in temperature indicated an exothermic reaction. 
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