Evaporation and Condensation

Front

What is evaporation?

Back

Evaporation is the process where liquid water changes into water vapor (gas) when it gains heat.

Front

What is condensation?

Back

Condensation is the process where water vapor (gas) changes back into liquid water when it loses heat.

Front

What happens to water when it boils?

Back

When water boils, it gains heat and changes from liquid to gas (steam).

Front

What is the change of state from liquid to gas called?

Back

Evaporation.

Front

What is the change of state from gas to liquid called?

Back

Condensation.

Front

What do you see on cling foil covering hot food?

Back

Water drops, which is an example of condensation.

Front

What is steam?

Back

Steam is water vapor that is produced when water boils, an example of evaporation.

Front

What happens to the temperature of water during evaporation?

Back

The temperature of the remaining water decreases as it loses heat.

Front

What is an example of condensation in everyday life?

Back

Water droplets forming on a cold glass of water.

Front

What is the role of heat in evaporation?

Back

Heat is required for evaporation to occur, as it provides energy for the liquid to change into gas.