Wednesday, April 20, 2011

Grade 8 Week 22: Endothermic v. Exothermic Reactions

Contract 22 has you inventing a lab that demonstrates an endothermic or exothermic reaction or teach the class how to balance chemical reaction equations.

2 comments:

  1. A endothermic reaction is a chemical reaction that absorbs energy.

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  2. is fire an exothermac reaction?

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