Changes in States of Matter

What is the term for the amount of energy needed to change a substance from solid to liquid?

• Heat of fusion

• Latent heat of vaporization

• Specific heat capacity

• Thermal conductivity

What is the state of matter characterized by a definite volume but no definite shape?

• Solid

• Gas

• Liquid

• Plasma

What is the process called when a liquid turns into a solid?

• Freezing

• Melting

• Evaporating

• Condensing

What is the term for the amount of energy needed to change a substance from liquid to gas?

• Heat of vaporization

• Latent heat of fusion

• Specific heat capacity

• Thermal conductivity

What happens to the movement of particles when thermal energy is increased?

• The particles slow down.

• The particles speed up.

• The particles remain stationary.

• The particles change shape.

What state of matter does a liquid become when it evaporates?

• Solid

• Gas

• Plasma

• Liquid

What is the state of matter characterized by neither a definite shape nor a definite volume?

• Solid

• Liquid

• Gas

• Plasma

What is the state of matter characterized by a definite shape and volume?

• Liquid

• Gas

• Solid

• Plasma

What is the term for the change of state from gas to solid without becoming a liquid first?

• Sublimation

• Condensation

• Evaporation

• Deposition

What happens to the density of a substance when it changes from solid to liquid?

• The density usually increases.

• The density usually decreases.

• The density remains the same.

• The density fluctuates randomly.