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21 Cards in this Set

  • Front
  • Back
state of matter
the physical form in which a substance can exist
matter
anything that has both volume and mass
volume
the amount of space taken up, or occupied by an object
mass
the amount of matter in an object
weight
a measure of the force of gravity on the mass of an object
solid
the state of matter that has a definite volume and a definite shape. the particles are very close together
atom
the building block of matter
liquid
the state of matter that has a definite volume but takes the shape of its container. the particles are not as close together and they can slide past one another
gas
the state of matter that has no definite volume or a definite shape. the particles are very far apart.
change of state
the change of a substance from one physical form to another
energy
the ability to do work
melting point
the temperature at which a solid turns into a liquid
freezing point
the temperature at which a liquid turns into a solid
boiling point
the temperature at which a liquid turns into a gas
condensation
the change of state from a gas to a liquid
the three states of matter
solid, liquid, and gas
physical properties
the characteristics of a substance that can be measured without changing the substance
evaporation
the changing of a liquid into a gas
reactivity
the ability of a substance to react chemically
combustibility
the ability of a substance to burn
solubility
the ability of a substance to dissolve