Weather Factors: Moisture and Pressure

Base your answer on the graph below which shows the changes in relative humidity and air temperature during a spring day in Washington, D.C

What were the relative humidity and air temperature at noon on this day?

• 47% and 32°F

• 65% and 32°F

• 47% and 48°F

• 65% and 48°F

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

The amount of water vapor in the atmosphere compared to the maximum amount it could hold is known as...

• Saturation

• Vaporicity

• Absolute Humidity

• Relative Humidity

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

• less
• more

Which cylinder represents the warmest air?

• 1
• 3
• 4
• 5

Which cylinder represents the highest relative humidity? 

• 1
• 3
• 4
• 5

What does high absolute humidity mean?

• It is cold.

• It is hot.

• There is a little water vapor in the air.

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

The temperature at which water vapor condenses is the 

• relative humidity
• humidity
• freezing point
• dew point

Convert 45°F into °C.

• 7.2°C

• 32°C

• 32°F

• 212°F