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7th Grade Weather Unit Study Guide

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
show a body of air with horizontally uniform temperature, humidity, and pressure  
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show the force exerted by air, whether compressed or unconfined, on any surface in contact with it  
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show the envelope of gases surrounding the earth or another planet  
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show wispy clouds made of ice crystals  
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show Fronts that form when/where cold air moves under warm air  
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condensation   show
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show the process by which heat or electricity is directly transmitted through a substance when there is a difference of temperature or of electrical potential between adjoining regions, without movement of the material  
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show the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat  
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Coriolis Effect   show
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show a cloud forming rounded masses heaped on each other above a flat base at fairly low altitude.  
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dew point   show
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Doldrums   show
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evaporation   show
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show the outermost region of Earth's atmosphere; top half of thermosphere  
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front   show
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show wind systems that are a product of the Coriolis Effect; occurring globally at or near Earth's surface  
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show the trapping of the sun's warmth in a planet's lower atmosphere due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface.  
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heat   show
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show an area of high air pressure where air slowly sinks down, spreading toward areas of low pressure  
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horse latitudes   show
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show the amount of water vapor in the air  
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show the layer of the earth's atmosphere that contains a high concentration of ions and free electrons and is able to reflect radio waves.; lower layer of the thermosphere  
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show narrow belts of high speed winds that blow from west to east  
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show a breeze that blows toward the water from a piece of land; cooler air on land runs off the land toward the warm air on the water  
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local wind   show
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show an area of low air pressure where air rises; as it rises the air cools  
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mesosphere   show
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show when the air along the mountain slopes cools and sinks into the valley  
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occluded front   show
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show a layer of ozone that is located in the middle of the stratosphere that protects us from harmful radiation  
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polar easterlies   show
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show any form of water that falls to earth's surface from the clouds  
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show the transfer of energy in the form of electromagnetic waves  
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relative humidity   show
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show the draining away of water (or substances carried in it) from the surface of an area of land, a building or structure, etc.  
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show a cool breeze coming off of a body of water; cooler air runs off water towards the warmer land  
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show Fronts that form when cold and warm air stops moving; causes many days of unchanging weather  
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stratosphere   show
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show spread out clouds formed in flat layers; low stratus can cause rain and block out the sun  
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show a measure of the average amount of kinetic energy of particles  
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thermal energy   show
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thermal expansion   show
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thermosphere   show
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show global winds that blow between 30 degrees and the equator; curve slightly west  
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show the lowest layer of the atmosphere where all weather occurs  
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show when the air in a valley flows up to the mountain slopes because there is higher pressure in the valley  
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show Fronts that form when/where warm air moves over cold air  
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weather   show
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westerlies   show
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show the movement of air caused by differences in air pressure  
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