Ch. 16 - Solids, Liquids, and Gases (A)

Matter that has a definite volume and a definite shape is a ___.

• gas

• liquid

• plasma

• solid

Matter in which atoms are tightly held in place is a ___.

• gas

• liquid

• plasma

• solid

A gas-like mixture with no definite volume or shape that is made up of positively and negatively charged particles is a ___.

• gas

• liquid

• plasma

• solid

Matter with no definite volume and no definite shape is a ___.

• gas

• liquid

• plasma

• solid

Matter that has a definite volume but no definite shape is a ___.

• gas

• liquid

• plasma

• solid

Matter in which the particles are free to move in all directions until they have spread evenly throughout their container is a ___.

• gas

• liquid

• plasma

• solid

Most matter ___ when heated.

• condenses

• contracts

• expands

• solidifies

The theoretical point at which all molecular motion stops is called ___.

• the boiling point

• absolute zero

• the melting point

• the frozen point

Compared to most substances, water is unusual because it ___ when it goes from the liquid to solid state.

• contracts

• expands

• melts

• diffuses

The amount of energy needed to change a material from a solid to a liquid is called the heat of ___.

• condensation

• evaporation

• fusion

• vaporization