Flashcards - Praxis Middle School Science: Meteorology & Climate

Flashcards - Praxis Middle School Science: Meteorology & Climate
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Weather
Weather is the state of the atmosphere, to the degree that it is hot or cold, wet or dry, calm or stormy, clear or cloudy
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Orographic lifting
Orographic lift occurs when an air mass is forced from a low elevation to a higher elevation as it moves over rising terrain
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troposphere
The troposphere is the lowest portion of Earth's atmosphere, and is also where all weather takes place
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thermosphere
The thermosphere is the layer of the Earth's atmosphere directly above the mesosphere and directly below the exosphere
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stratosphere
The stratosphere is the second major layer of Earth's atmosphere, just above the troposphere, and below the mesosphere
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climate
Climate is the statistics of weather, usually over a 30-year interval
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water cycle
The water cycle, also known as the hydrological cycle or the H2O cycle, describes the continuous movement of water on, above and below the surface of the Earth
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Precipitation
In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls under gravity
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Ozone
Ozone /ˈoʊzoʊn/ , or trioxygen, is an inorganic molecule with the chemical formula O3
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fluid
In physics, a fluid is a substance that continually deforms under an applied shear stress
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Stratus
Stratus clouds are low-level cloud characterized by horizontal layering with a uniform base, as opposed to convective or cumuliform clouds that are formed by rising thermals
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Humidity
Humidity is the amount of water vapor in the air
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Clouds
In meteorology, a cloud is an aerosol comprising a visible mass of minute liquid droplets or frozen crystals, both of which are made of water or various chemicals
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electromagnetic spectrum
The electromagnetic spectrum is the collective term for all known frequencies and their linked wavelengths of the known photons
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atmosphere
An atmosphere is a layer of gases surrounding a planet or other material body, that is held in place by the gravity of that body
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atmosphere
An atmosphere is a layer of gases surrounding a planet or other material body, that is held in place by the gravity of that body
electromagnetic spectrum
The electromagnetic spectrum is the collective term for all known frequencies and their linked wavelengths of the known photons
Clouds
In meteorology, a cloud is an aerosol comprising a visible mass of minute liquid droplets or frozen crystals, both of which are made of water or various chemicals
Humidity
Humidity is the amount of water vapor in the air
Stratus
Stratus clouds are low-level cloud characterized by horizontal layering with a uniform base, as opposed to convective or cumuliform clouds that are formed by rising thermals
fluid
In physics, a fluid is a substance that continually deforms under an applied shear stress
Ozone
Ozone /ˈoʊzoʊn/ , or trioxygen, is an inorganic molecule with the chemical formula O3
Precipitation
In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls under gravity
water cycle
The water cycle, also known as the hydrological cycle or the H2O cycle, describes the continuous movement of water on, above and below the surface of the Earth
climate
Climate is the statistics of weather, usually over a 30-year interval
stratosphere
The stratosphere is the second major layer of Earth's atmosphere, just above the troposphere, and below the mesosphere
thermosphere
The thermosphere is the layer of the Earth's atmosphere directly above the mesosphere and directly below the exosphere
troposphere
The troposphere is the lowest portion of Earth's atmosphere, and is also where all weather takes place
Orographic lifting
Orographic lift occurs when an air mass is forced from a low elevation to a higher elevation as it moves over rising terrain
Weather
Weather is the state of the atmosphere, to the degree that it is hot or cold, wet or dry, calm or stormy, clear or cloudy
pressure gradient force
The pressure-gradient force is the force which results when there is a difference in pressure across a surface
fronts
A weather front is a boundary separating two masses of air of different densities, and is the principal cause of meteorological phenomena
polar front
In meteorology, the polar front is the boundary between the polar cell and the Ferrel cell in each hemisphere
westerlies
The Westerlies, anti-trades, or Prevailing Westerlies, are prevailing winds from the west toward the east in the middle latitudes between 30 and 60 degrees latitude
air mass
In meteorology, an air mass is a volume of air defined by its temperature and water vapor content
cold front
A cold front is defined as the leading edge of a cooler mass of air, replacing at ground level a warmer mass of air, which lies within a fairly sharp surface trough of low pressure
occluded front
An occluded front is formed during the process of cyclogenesis when a cold front overtakes a warm front
stationary front
A stationary front is a pair of air masses, neither of which is strong enough to replace the other
Tornadoes
A tornado is a violently rotating column of air that rotates while in contact with both the surface of the Earth and a cumulonimbus cloud or, in rare cases, the base of a cumulus cloud
Cyclone
In meteorology, a cyclone is a large scale air mass that rotates around a strong center of low atmospheric pressure
mesocyclone
A mesocyclone is a vortex of air within a convective storm
floods
A flood is an overflow of water that submerges land which is usually dry
Convection
Convection is the movement of groups of molecules within fluids such as liquids or gases, and within rheids
CFCs
A chlorofluorocarbon is an organic compound that contains only carbon, chlorine, and fluorine, produced as volatile derivative of methane, ethane, and propane
fog
Fog is a visible mass consisting of cloud water droplets or ice crystals suspended in the air at or near the Earth's surface

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