Weather Elements

What type of precipitation is most common in tropical regions?

• Hail

• Rainfall

• Sleet

• Snow

What is the term for the amount of water vapour present in the air?

• humidity

• temperature

• pressure

• wind speed

What is the unit of measurement for air pressure?

• millibars (mb) or inches of mercury (inHg)

• feet of water

• pounds per square inch

• miles per hour

What type of cloud cover is typically associated with heavy rainfall?

• Stratocumulus

• Nimbostratus

• Cumulonimbus

• Cirrostratus

What instrument is used to measure wind direction?

• Anemometer

• Wind vane or weather vane

• Barometer

• Thermometer

What is the term for the percentage of water vapour in the air compared to the maximum amount the air can hold at that temperature?

• relative humidity

• specific humidity

• absolute humidity

• dew point

What is the average wind speed in miles per hour for a category 1 hurricane?

• 74-95 miles per hour

• 50-60 miles per hour

• 30-40 miles per hour

• 100-120 miles per hour

What is the term for the process of water vapour turning into liquid water?

• Condensation

• Evaporation

• Precipitation

• Sublimation

What is the term for the boundary between two air masses of different temperatures and humidity?

• Front

• Pressure system

• Jet stream

• Thermocline

What is the term for the process of water turning into water vapour?

• Condensation

• Evaporation

• Precipitation

• Sublimation