Heat, Temperature, & Phase Changes

Front

What happens to the movement of particles as the temperature of a substance increases?

Back

The movement of particles increases.

Front

What is the process called when matter changes from a solid to a gas?

Back

Sublimation.

Front

True or False: Particles of a substance are in constant motion.

Back

True.

Front

At what temperature does water boil in Fahrenheit?

Back

212 °F.

Front

What is the relationship between heat and the movement of particles?

Back

The greater the heat, the greater the movement of the particles.

Front

Define temperature.

Back

Temperature is a measure of the average kinetic energy of the particles in a substance.

Front

What is heat?

Back

Heat is the energy transferred between substances due to a temperature difference.

Front

What is melting?

Back

Melting is the process of a solid turning into a liquid when heat is applied.

Front

What is boiling?

Back

Boiling is the process where a liquid turns into a gas when it reaches its boiling point.

Front

What is condensation?

Back

Condensation is the process where a gas turns into a liquid when it cools down.