Vocabulary

1

100

relations of heat with chemical reactions or change of state

Thermochemistry

200

energy in a substance that creates the temperature

Thermal (heat) energy

2

100

chemical reaction that releases energy into its souroundings

exothermic reaction

200

chemical reaction that absorbs heat from its enviornment

endothermic reaction

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100

a substance that goes through chemical change/reaction

reactants

200

the end results of a chemical change

products

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100

green plants using sunlight to create foods from carbon dioxide and water

photosynthesis

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100

energy transferred by electromagnetic radiation (lights, rays, thermal radiation)

radiant (light) energy