Water in the atmosphereChapter 12

Water in the atmosphere

Chapter 12

What is water vapour?• Water vapour is a gas.• The amount of water vapour in the air is called

Humidity.• The highest amount of water vapour in the air

is 100%• Warm air can hold more water vapour than

cold air.• When air can hold no more water vapour it is

Saturated.• The amount of water vapour in the air is

measured as RH=Relative Humidity.

Three types of cloud

Three types of rain

Chapter RevisionName the four stages of the water cycle?

What is water vapour?

Name the three main types of cloud and give one main detail of each?

Name each type of rain. Draw a diagram for each and explain why each occurs?