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Physical Science 2
Term | Definition |
---|---|
physical property | a characteristic of a pure substance that can be observed without changing it into another substance |
chemical property | a characteristic of a pure substance that describes its ability to change into a different substance |
chemical change | a change in which one or more substances combine or break apart to form new substances |
physical change | a change in a substance that does not change its density |
thermal energy | the total energy of all the particles of an object |
endothermic change | a change in which energy is taken in |
exothermic change | a change in which energy is given off |