14 terms

Concept 1.1: Changing States

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Terms in this set (...)

solid:
matter with a fixed volume and shape
steam:
a cloud of tiny drops of liquid water that forms when water vapor condenses
freeze:
to change a substance from liquid to solid by lowering its temperature
change of state:
the process of changing (by heating or cooling) one form of matter into another form of matter with different characteristics
air:
the part of the atmosphere closest to Earth
melting point:
the temperature at which a solid turns into a liquid
conservation of mass:
a fundamental principle of science stating that matter cannot be created or destroyed in a closed system
matter:
material that has mass and takes up some amount of space
condense:
to turn from a gas into a liquid
evaporation:
the process in which matter changes from a liquid to a gas
melt:
to change a substance from solid to liquid
boil:
to change state from a liquid to a gas because of added heat
liquid:
a state of matter with a defined volume but no defined shape
state of matter:
a particular form that matter can take: The three main states of matter are solid, liquid, and gas.