Test: States of matter and Thermal Energy

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the total kinetic energy of the particles in an object.

Front

How does thermal energy move?

Back

From an area of higher temperature to an area of lower temperature.

Front

What is an insulator?

Back

A material that poorly conducts heat or electricity.

Front

What is a conductor?

Back

A material that allows heat or electricity to pass through it easily.

Front

Which material is the best conductor of heat?

Back

Metal.

Front

What happens to the kinetic energy when matter changes state?

Back

Energy either decreases or increases depending on which state it is moving to.

Front

Identify this state of matter: It has a definite volume but no definite shape.

Back

Liquid.

Front

Identify this state of matter: It has a definite shape and volume.

Back

Solid.

Front

What is the process of changing a liquid to a gas called?

Back

Evaporation.

Front

What is the process of changing a gas to a liquid called?

Back

Condensation.