Phases of Matter

Question 1

An explanation of how particles in matter behave.

Answer 1

Kinetic Theory

Question 2

The temperature at which a solid begins to liquefy.

Answer 2

Melting Point

Question 3

The amount of energy required to change a substance from the solid phase to the liquid phase at its melting point.

Answer 3

Heat of Fusion

Question 4

This is 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.

Answer 4

Boiling Point

Question 5

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

Answer 5

Heat of Vaporization

Question 6

This is the spreading of particles through a given volume until they are uni formally distributed.

Answer 6

Diffusion

Question 7

Is the matter consisting of positively and negatively charged particles.

Answer 7

Plasma

Question 8

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

Answer 8

Thermal Expansion