U4 USA Science

What weather instrument measures air pressure?

• barometer
• thermometer
• rain gauge
• wind vane

What kind of weather instrument is used to measure wind speed?

• barometer
• anemometer
• thermometer
• rain gauge

A high pressure system means we might have this weather.

• Snow blizzard
• Sunny and dry
• Rain storm
• Tornado

A low pressure system means we might have this weather.

• Sunny 
• A clear sky
• Dry day
• Stormy or wet

They are low in the sky and look soft and fluffy. 

• Cirrus
• Cumulonimbus
• Cumulus 
• Stratus

What is an air mass? 

• A place where weather always changes in an extreme way.
• Air that is wet and freezing
• A cloud that produces rain, snow, sleep, or hail.
• A large body of air with the same moisture and temperature throughout.

Which type of front can be seen here?

• cold front
• occluded front
• stationary front
• warm front

What water cycle process results in plants releasing water vapor from their leaves?

• precipitation
• crystallization
• transpiration
• collection

This tool measures relative humidity.

• barometer
• anemometer
• wind vane
• sling psychrometer

rapidly moving cold air  mass runs into a warm air mass the cold air slides under the warm air. This is called a  .....

• cold front
• warm front
• stationary front