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49 Cards in this Set
- Front
- Back
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the atmosphere is a thin shell of what that surrounds the earth
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gases
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what i the atmosphere divided in
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layers
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what makes up 78% of the atmosphere
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nitrogen
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what makes up 21% of the atmosphere
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oxygen
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fades into otter space
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exosphere
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thickest and hottest layer
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thermosphere
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protects us from meteorites
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mesophere
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contains ozone layer
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stratosphere
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weather
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troposhere
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bumping of molecules
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conduction
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waves of rays
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radiation
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density diffrences
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convection
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how does all 3 heat transfers work together on earth
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first the sun gives off radiation and then heat is absorbed by land and water next conduction will heat the air above the ground and finally convection currents heat the rest of the troposhpere
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water changes from liquid to gas
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evaporation
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water changes from gas back to liquid
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condensation
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clouds become "heavy" with liquid water and the water falls to the ground
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precipation
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the water that flows long the surface of the earth and eventually drains into rivers, lakes, and oceans
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runoff
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lines of equal air pressure on a weather map
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isobars
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lines of equal tempuature on a weather map
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isotherm
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thin layer of water that covers most of earths surface
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hydrosphere
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rivers, lakes, and oceans are part of the
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hydrosphere
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pavement absorbs sun and does what to snow
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reflects
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measure of average kinetic energy of air molecules
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tempuature
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molecules in warm air move what to make the air more/less dense
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faster
less |
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molecules in cold air move what to make the air more/less dense
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slower
more |
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the state of the atmosphere at any given time
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weather
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how is weather caused
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uneven heating of the earth
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"average" weather over the course of a year
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climate
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amount of water vapor in the air
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humidity
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which air holds more water vapor
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warm air
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continental polar
1-temp 2-where it forms 3-humidity |
1-cold
2-land 3-dry |
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continental tropical
1-temp 2-where it forms 3-humidity |
1-warm
2-land 3-dry |
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maritime polar
1-temp 2-where it forms 3-humidity |
1-cold
2-water 3-wet |
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maritime tropical
1-temp 2-where it forms 3-humidity |
1-warm
2-water 3-wet |
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o large body of air that has properties similar to the part of the earths surface over witch it formed
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air mass
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generally brings cold or rainy weather and has low density
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low pressure system
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generally brings fair weather and has high density
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high pressure system
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boundary between two different air masses
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front
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what weather occurs at fonts
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precipitation
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A____A____A____A____A
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cold front
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m___m___m___m___m
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warm front
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tornado safety
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1.go to basement of well built building or middle of ground floor room
2.get out of your car and lie in a ditch |
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hurricane saftey
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1.evacuate
2.move to interior of building away from doors and windows |
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what is the movement of air determined by
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prevailing winds and upper air currents(jet stream)
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what direction does the wind move
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west to east
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as altitude increases air pressure
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decreases
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numbers on a air map that range from 985-1020 are
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air pressure
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if a maritime tropical air mass from the gulf of mexico travels north over land how will the weather conditions change as it enters into the northern states
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it will become colder and drier
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when drawing isoline the values above the isoline should be _____than the value of the line and the number below should be_____than the value of the line
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less
more |
