PRESENTATION OUTLINE
BAKING SODA
Chemical Reaction- A process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
FIRE
Exothermic Reaction-
a chemical reaction accompanied by the evolution of heat
MELTING ICE
Endothermic Reaction-
a chemical reaction accompanied by the absorption of heat
Salt is a chemical reaction with sodium and chlorine
Some common chemical reactions are:
-Water (oxygen and hydrogen)
How does that happen?
Through ionic bonding.
This bread underwent a endothermic reaction when it was toasted.
It absorbed heat and toasted.
