Substances that can flow are referred to as .................

• fluids.

• solids.

• plasma.

The ability of ............................ to flow allows them to conform to the shape of their containers.

(two choices)

• gases

• liquids

• solids

The interplay between the disruptive motions of particles in a liquid and the attractions among the particles determines the physical properties of liquids.

• True

• False

Intermolecular attractions reduce the amount of space between the particles in a liquid. Thus, liquids are much ..................... gases.

• less dense than

• more dense than

• same as

Known as condensed states of matter

• Liquids

• solids

• gases

In ............... system, molecules that evaporate can escape from the system.

• an isolated

• a closed

• an open

In a closed system, the molecules can escape.

• True

• False

The conversion of a .............................. is called vaporization.

• liquid to a gas or vapor

• liquid to a solid

• solid to a gas or vapor

When vaporization occurs at the surface of a liquid that is called boiling.

• True

• False

During ........................................, only those molecules with a certain minimum kinetic energy can escape from the surface of the liquid.

• freezing

• condensation

• evaporation