Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
8th Science
Chapter 8, CC 4, A Beka Book
| Question | Answer |
|---|---|
| Air Mass | A large body of air with a relatively uniform temperature, humidity, and pressure |
| The density of an air mass is affected by the ____, ____, and ___. | temperature, humidity, pressure |
| The cooler the air, the ___ the density. | higher |
| The lower the humidity, the ___ the density. | higher |
| The lower the pressure, the ___ the density. | lower |
| An air mass that forms over the tropics | Tropical air mass |
| An air mass that forms over a cold region | Polar air mas |
| An air mass that forms over the sea | Maritime air mass |
| An air mass that forms over land | Continental air mass |
| Maritime tropical air masses | Humid air masses that form over tropical and subtropical waters |
| Continental tropical air masses | Warm, dry air masses that form over deserts |
| Maritime polar air masses | Cool, wet air masses that form over oceans of frigid regions |
| Continental polar air masses | Cold, dry air masses that originate over cold regions |
| Arctic air masses | Dry, frigid air masses that form over snow-and-ice-covered portions of the Artic |
| Sometimes, an air mass remains stationary over a region for a long time. If this occurs, the region experiences ___ weather. | air-mass |
| Front | The boundary between a warm and a cold air mass |
| Warm front | Occurs when a warm air mass moves into a region occupied by a cold air mass |
| Cold front | Occurs when a cold air mass moves into the territory of a warm air mass |
| Stationary front | Occurs when two air masses push against each other, but neither on advances |
| Cold fronts move ___ than warm fronts. | faster |
| Occluded front (or occlusion) | A combination of three air masses forms this Y shaped front |
| If the overtaking cold air mass is colder than the stationary cold air mass, the front is called a(n) ___ ____. | cold occlusion |
| If the overtaking air mass is warmer than the stationary air mass, it is a(n) ___ ___. | warm occlusion |
| Rotating low pressure areas | lows or cyclones |
| Frontal cyclone | A low that forms along a front |
Created by:
nelsonclan
Popular Science sets