Unit 3 Vocabulary Flashcard 6

Front

What is sublimation?

Back

The process in which a solid transforms directly into a gas without passing through the liquid state.

Front

What is thermal energy?

Back

The energy that comes from the temperature of matter, which is the total kinetic energy of the particles in a substance.

Front

What is heat?

Back

The energy transfer that occurs due to a temperature difference between substances, stimulating molecular motion.

Front

What is evaporation?

Back

The process by which a liquid changes into a gas at its surface, occurring at any temperature.

Front

What is a gas?

Back

A state of matter that expands freely to fill its container, having no fixed shape or volume.

Front

What is freezing?

Back

The process by which a liquid becomes a solid as it loses heat.

Front

What is boiling?

Back

The rapid vaporization of a liquid that occurs when it is heated to its boiling point.

Front

What is deposition?

Back

The process in which a gas transforms directly into a solid without passing through the liquid state.

Front

What is a phase change?

Back

A transition of matter from one state to another, such as solid, liquid, or gas.

Front

What is kinetic energy?

Back

The energy possessed by an object due to its motion, which is related to the temperature of a substance.