Phase Changes

Front

What is boiling?

Back

Boiling is the phase change from liquid to gas, occurring when a liquid reaches its boiling point.

Front

What type of change is boiling?

Back

Boiling is an example of an endothermic change, as it requires heat to occur.

Front

What is the phase change from liquid to solid called?

Back

The phase change from liquid to solid is called freezing.

Front

What is the phase change from solid to gas called?

Back

The phase change from solid to gas is called sublimation.

Front

What type of change is sublimation?

Back

Sublimation is an example of an endothermic change, as it requires heat to occur.

Front

What happens during melting?

Back

During melting, a solid absorbs heat and changes into a liquid.

Front

What is condensation?

Back

Condensation is the phase change from gas to liquid, occurring when gas loses heat.

Front

What is the opposite of boiling?

Back

The opposite of boiling is condensation.

Front

What is the boiling point?

Back

The boiling point is the temperature at which a liquid turns into a gas.

Front

What is an exothermic change?

Back

An exothermic change is a process that releases heat to the surroundings.