TCi Lessons 23 & 24

Front

What happens to water molecules when boiling occurs?

Back

The molecules speed up as the kinetic energy increases and the molecules move farther apart from one another.

Front

What occurs to molecules when their kinetic energy increases?

Back

The molecules move faster.

Front

What is the total energy of all particles in an object called?

Back

Thermal Energy.

Front

What state of matter is characterized by having a definite volume but no definite shape?

Back

Liquid.

Front

What process occurs when gas changes to a liquid?

Back

Condensation.

Front

What is kinetic energy?

Back

The energy that an object possesses due to its motion.

Front

What is the relationship between temperature and kinetic energy?

Back

As temperature increases, the kinetic energy of the molecules increases.

Front

What is the state of matter with a definite shape and volume?

Back

Solid.

Front

What is evaporation?

Back

The process by which liquid turns into gas.

Front

What is condensation?

Back

The process by which gas turns into liquid.