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34 Cards in this Set
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Maritime |
Air masses that form over oceans. |
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Polar |
Form near the poles , form north of 50° north latitude and south of 50° south latitude |
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Tropical |
Warm air masses form in the tropics/equator and have low air pressure. |
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Air mass |
A huge body of air. |
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Continental |
Air masses that form over land, these air masses are drier than maritime air masses. |
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Jet streams |
Bands of high speed winds about 10 kilometers above Earth's surface. |
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Front |
The boundary where air masses meet. |
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Occluded |
When warm air mass is cut off from the ground. |
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Cyclone |
The swirling center of low air pressure. |
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Anticyclone |
High pressure centers of dry air. |
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Atmosphere |
The envelope of gases that forms earth's most outer layer, mostly nitrogen and oxygen. |
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Geosphere |
It's made up of all of Earth's rocks and dirt. |
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Hydrosphere |
It contains Earth's waters such as rivers ,oceans, lakes, groundwater, and water vapor. |
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Cryosphere |
It's all of Earth's water in the form of ice on or in earth such as glaciers, snow fields, ice caps, ice sheets, sea ice, and frozen ground. |
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Biosphere |
It's the part of earth that contains living organisms such as animals, humans, and plants. |
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Tropical zone |
The area near the equator between about 23.5° north latitude and 23.5° south latitude. |
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Polar zone |
The area near both poles from about 66 .5° to 90° north and 66 .5° degrees to 90° south latitudes. |
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Windward |
The side of the mountain range that faces the oncoming wind. |
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Leeward |
The side of the mountain range that faces away from the oncoming wind. |
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Monsoon |
Sea or land breeze over a large region that change direction . |
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Density |
The amount of mass in a given volume. |
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Air pressure |
The force pushing on an area or surface. |
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Barometer |
An instrument that is used to measure air pressure. |
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Mercury barometer |
Consist of a long glass tube that is close at one end and open up the other end. (measures air pressure) |
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Aneroid barometer |
An airtight metal chamber, which is sensitive to changes in air pressure. (measures air pressure) |
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Altitude |
The average level of motion of the distance above sea level. |
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Weather |
The condition of Earth's atmosphere at a particular time and place. |
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Temperature |
It measures the average energy of motion of the particles in a substance. |
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Thermal energy |
It measures the total energy of motion in the particles of a substance. |
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Thermometer |
A device that measures temperature. |
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Convection |
The transfer of heat by the movement of fluid. |
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Conduction |
The transfer of heat between two substances that are in direct contact. |
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Convection currents |
The upward movement of warm air and the downward movement of cool air form this. |
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Heat |
A thermal energy that is transferred from a hotter object to a cooler one. |
