Understanding Weather Ch 2

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

It is summertime and the air is holding lots of water. All of sudden, the temperature drops rapidly. What is likely to happen?

• It is likely to rain, because cold air cannot hold as much water

• It is likely to become sunny, because cool air has less clouds

Which instrument measures how much precipitation has fallen?

• Rain Gauge
• Anemometer
• Thermometer
• Weather Balloon

Which instrument measures the temperature of the air?

• Thermometer
• Rain Gauge
• Anemometer
• Hygrometer

Which instrument measures air pressure

• Anemometer
• Barometer
• Hygrometer
• Wind Vane

Which instrument measures wind speed?

• Anemometer
• Barometer
• Hygrometer
• Wind Vane

Which instrument shows how much water vapor or moisture is in the air?

• Anemometer
• Barometer
• Hygrometer
• Wind Vane

Which instrument shows the direction that wind is coming from?

• Doppler Radar
• Weather Satelite
• Wind Vane
• Hygrometer