Heat Transfer and States of Matter

Front

When two objects are in contact, heat always travels...

Back

from the warmer object to the cooler object.

Front

What is the process called when warm air rises and cool air sinks?

Back

Convection.

Front

What determines the temperature of a substance?

Back

The speed of the molecules.

Front

What happens to the temperature when the particles in a substance move slower?

Back

The substance is colder.

Front

What is a characteristic of gas?

Back

Gas has fast-moving particles.

Front

What is conduction?

Back

The transfer of heat through direct contact between materials.

Front

What is convection?

Back

The transfer of heat through the movement of fluids (liquids and gases).

Front

What is radiation?

Back

The transfer of heat through electromagnetic waves.

Front

What state of matter has a definite shape and volume?

Back

Solid.

Front

What state of matter has a definite volume but no definite shape?

Back

Liquid.