domingo, 24 de septiembre de 2017

endothermic reactions                        exothermic reactions
baking bread                                                                         burning wood
                                                                                              striking a match to light it
                                                                                              exploding dynamite

why:                                                                                     Why:
is an endothermic reaction because it                                  because burning wood, striking a match to light
takes on the heat from its surroundings                               it and exploding dynamite gives off heat

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