Solids, Liquids, Gases

Front

The amount of energy required for a liquid at its boiling point to become a gas is _____________.

Back

heat of vaporization

Front

When the temperature of a substance is lowered, its particles _____________.

Back

vibrate more slowly

Front

When a gas becomes a liquid it is called _____________.

Back

condensation

Front

_______________ is an increase in the size of a substance when the temperature is increased.

Back

thermal expansion

Front

According to the kinetic theory of matter, all matter is composed of _____________.

Back

particles

Front

The process by which a solid changes directly into a gas is called _____________.

Back

sublimation

Front

The temperature at which a solid becomes a liquid is known as its _____________.

Back

melting point

Front

The state of matter characterized by a definite shape and volume is _____________.

Back

solid

Front

The state of matter that has a definite volume but no definite shape is _____________.

Back

liquid

Front

The state of matter that has neither a definite shape nor a definite volume is _____________.

Back

gas