Topic 6 Lesson 2 Water in atmosphere

The amount of water vapor in the air is known as ___.

• dew point

• humidty

• relative humidity

• rain

Which will hold more water, warm air or cold air?

• Warm Air

• Cold AIr

Which weather instrument is useful in measuring relative humidity?

• barometer
• anemometer
• psychrometer
• wind vane

The warmer the air the __________ water vapor it can hold.

• less
• more

How does air temperature affect humidity?

• warmer air = lower humidity
  colder air = higher humidty
• temperature does not affect humidity
• colder air = lower humidity
  warmer air = higher humidity
• warm air and cold air = high humidity

When air cools down, the temperature at which water vapor condenses is the _______

• relative humidity

• humidity

• freezing point

• dew point

Which will hold more water, warm air or cold air?

• Warm Air

• Cold AIr

What does high humidity mean?

• It is cold.

• It is hot.

• There is a little evaporated water in the air.

• There is a lot of evaporated water in the air.

What is a cloud made of? (mostly)

• Salt

• Dust

• Water droplets

• Water vapor

Snow, sleet, hail, and rain are all examples of ________________.

• evaporation

• condensation

• accumulation

• precipitation