Phase Changes

Front

Condensation is a phase change from a _______ to a _______.

Back

gas; liquid

Front

The melting point of water occurs at the same temperature as ________ of water.

Back

the freezing point

Front

The temperature at which water becomes water vapor is known as ________.

Back

the boiling point

Front

What is the difference between evaporation and boiling?

Back

Boiling causes a faster change of state.

Front

What happens to ice when it melts?

Back

The temperature of the ice increased, and the movement of its particles became more rapid.

Front

A gas forms when enough heat is added to ______ a liquid.

Back

boil

Front

Which of these is an example of freezing?

Back

A puddle of water changes into ice overnight.

Front

Donovan placed an ice cube in a cup and recorded its temperature as it melted in a warm room. Based on the data, when did the ice cube melt completely?

Back

between 60 and 70 minutes

Front

What do the data and observations recorded by Daniel and Lupita demonstrate?

Back

As water boils, its temperature does not change.

Front

At which temperature does water become water vapor?

Back

100°C