Open Scied

Front

What happens to energy when a system is cooling down?

Back

Energy is transferring out of it.

Front

Does energy transfer from hotter objects to colder ones?

Back

True.

Front

How do particles in a solid move?

Back

Particles in a solid move in place.

Front

What is the process called when gas molecules turn into a liquid?

Back

Condensation.

Front

What is a closed system?

Back

A closed system is one in which no matter can enter or exit.

Front

What is the process of a liquid turning into a gas called?

Back

Evaporation.

Front

What is the term for the change of state from solid to liquid?

Back

Melting.

Front

What is the term for the change of state from liquid to solid?

Back

Freezing.

Front

What is thermal energy?

Back

Thermal energy is the total energy of all the particles in an object.

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact.