STATES OF MATTER/THERMAL ENERGY

Front

What happens to the energy of a liquid when it is heated?

Back

The energy of the liquid increases.

Front

What type of energy is transferred between systems due to a temperature difference?

Back

Thermal energy.

Front

What occurs when a hot object is placed on a cold surface?

Back

Thermal energy transfers from the hot object to the cold surface.

Front

What is thermal equilibrium?

Back

It is the state when two objects reach the same temperature and no heat flows between them.

Front

True or False: Heat moves from a cooler object to a warmer object.

Back

False. Heat moves from a warmer object to a cooler object.

Front

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

Back

Melting.

Front

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

Back

Vaporization.

Front

What is condensation?

Back

The process where a gas turns into a liquid.

Front

What is sublimation?

Back

The process where a solid turns directly into a gas without becoming a liquid.

Front

What is the boiling point?

Back

The temperature at which a liquid turns into a gas.