phase changes

Front

The change of one state of matter to another is called

Back

Phase Change

Front

Transition from a liquid to a gas

Back

Evaporation

Front

Gas condenses to a liquid

Back

Condensation

Front

What happens to molecules when their kinetic energy increases?

Back

The molecules move faster

Front

Three containers with the same amount of the same material are shown below. Which container has the substance with the highest amount of energy?

Back

The container on the right

Front

Three containers with the same amount of the same material are shown below. Which container has the substance with the lowest amount of energy?

Back

The container on the left

Front

What causes water droplets to form on the outside of a glass of iced tea on a hot day?

Back

The cold liquid in the glass is cooling the air around it, making it condense into a liquid.

Front

What happens to water molecules when you boil water in a pot and it escapes as steam?

Back

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

Front

What happens when heat is added to a substance?

Back

Energy moves into the substance causing the molecules to speed up.

Front

The slower the particles in a substance move,

Back

the colder it is.