Lesson 51
Terms
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- wind
- forms when there are changes in temperature
- warm moist air
- a low-pressure (light)air mass usually has ____________
- global winds
- move in large, cirucular belts around the earth
- cooler air
- moves in to replace warmer rising air
- front
- boundary where two unlike air masses meet
- local winds
- influenced by temperature changes in a small area
- wind
- moving air
- anemometer
- used to measure wind speed
- wind vane
- shows the direction wind is blowing from
- cool dry air
- a high-pressure (dense)mass usually has ______________
- air mass
- body of air that has about the same temperature