Matter Flashcards

Front

Boiling Point

Back

The temperature at which the pressure of the vapor in the liquid is equal to the external pressure acting on the surface of the liquid.

Front

Density

Back

Mass per unit volume of a material.

Front

Heat of Fusion

Back

Amount of energy required to change a substance from the solid phase to the liquid phase.

Front

Heat of Vaporization

Back

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

Front

Kinetic Theory

Back

Explanation of the behavior of molecules in matter; states that all matter is made of constantly moving particles that collide without losing energy.

Front

Melting Point

Back

Temperature in which a solid begins to liquefy.

Front

Volume

Back

Amount of space occupied by an object.

Front

Plasma

Back

Matter consisting of positively and negatively charged particles.

Front

Pressure

Back

Amount of force exerted per unit area; SI unit is the pascal (Pa).

Front

Thermal Expansion

Back

Increase in the size of a substance when the temperature is increased.