vocabulary words

goes in

100

what goes in in a chemical reaction

reactants 

200

energy coming in

exothermic reaction

goes out

100

when something goes out in a chemical reaction 

product 

200

energy going out 

endothermic reaction

plants

100

what gives plants food and energy? 

photosynthesis

light

100

what gives off light 

radiant energy 

temperature

100

what gives off heat

thermal energy 

200

1. 
   

   the branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions.

   
   

thermochemistry