States of Matter

What happens to the temperature during freezing and melting?

• The temperature increases during freezing.

• The temperature decreases during melting.

• Freezing and melting occur at the same temperature.

• The temperature remains constant during both processes.

What is the term for the temperature at which a substance changes from liquid to solid?

• Melting point

• Boiling point

• Freezing point

• Sublimation point

What is the state of matter where particles are close together but can flow past one another?

• Solid

• Liquid

• Gas

• Plasma

What is the term for the temperature at which a substance changes from solid to liquid?

• Melting point

• Boiling point

• Freezing point

• Sublimation point

What is true about gases?

• Gases take the shape of their container.

• Gases have a fixed volume and shape.

• Gases are incompressible.

• Gases do not exert pressure.

What is the state of matter with the highest kinetic energy?

• Solid

• Liquid

• Gas

• Plasma

What is the process called when a solid changes directly into a gas?

• Condensation

• Sublimation

• Evaporation

• Melting

What is the state of matter characterized by particles that are closely packed together and vibrate in place?

• Liquid

• Gas

• Solid

• Plasma

What is the process called when a gas changes directly into a solid?

• Sublimation

• Condensation

• Deposition

• Evaporation

Which phase of matter has a fixed volume and a fixed shape?

• Liquid

• Gas

• Solid

• Plasma