Phases of Matter

Question 1

is 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 to the liquid phase at its melting point

Answer 3

Heat of Fusion

Question 4

a liquid 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

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

Answer 5

Heat of Vaporization

Question 6

the spreading of particles throughout a given volume until they are uniformly distributed

Answer 6

Diffusion

Question 7

matter consisting of positively and negatively charged particles

Answer 7

Plasma

Question 8

an increased in the size of a substance when the temperature in increased.

Answer 8

Thermal Expansion