Flashcard: Thermal Energy Amplify Ch.1

Front

When an object gets colder, its molecules move...

Back

slower

Front

What is the definition of 'molecule'?

Back

tiny particles that make up all matter

Front

Absolute zero is...

Back

when molecules have zero speed or movement.

Front

What is the BEST definition of 'temperature'?

Back

A measure of the average speed of the molecules of a substance.

Front

__________ is a group of atoms joined together in a particular way.

Back

molecule

Front

What happens to the speed of molecules when an object is heated?

Back

The molecules move faster.

Front

What is thermal energy?

Back

The total energy of all the molecules in an object.

Front

How does heat transfer occur?

Back

Through conduction, convection, and radiation.

Front

What is conduction?

Back

The transfer of heat through direct contact.

Front

What is convection?

Back

The transfer of heat through the movement of fluids.