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earth/environmental science
24
Environmental Studies
10th Grade
05/17/2016

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Cards

Term
layers of atmosphere
Definition
troposphere,stratosphere, mesosphere, thermosphere,and exosphere
Term
Changing states of water
Definition
water is when it changes from a solid, to a liquid and then into a gas
Term
Saturation point
Definition
the stage at which no more of a substance can be absorbed into a vapor or disadvantage
Term
Relative humidity
Definition
the amount of water vapor present in air expressed as a percentage of the amount needed
Term
Hygrometer
Definition
an instrument for measuring the humidity of the air or gas
Term
Dew point
Definition
the atmospheric temperature(varying according to pressure and humidity) below which water droplets begin to condense and dew can form
Term
Adiabatic rates
Definition
the rate at which atmospheric temperature decreases with increasing altitude in conditions of thermal equilibrium.
Term
Clouds
Definition
a visible mass of condensed water vapor floating in the atmosphere.
Term
Air mass
Definition
a body of horizontally uniform temperature, humidity,and pressure.
Term
Air pressure
Definition
the force exerted onto a surface by the weight of the air.
Term
Barometer
Definition
an instrument measuring atmospheric pressure used especially in forecasting the weather and determining altitude.
Term
Isobar map
Definition
an imaginary line or a line on a map or chart connecting or marking places of equal barometric pressure.
Term
Cyclones
Definition
a system of winds rotating inward to an area of low atmospheric pressure.
Term
Anticyclones
Definition
a weather system with high atmospheric pressure at its center around which air slowly circulates in a clockwise direction.
Term
Cold front
Definition
the boundary of an advancing mass of cold air in particular the trailing edge of the warm sector of a low-pressure system.
Term
Warm front
Definition
the boundary of an advancing mass of warm air in particular the leading edge of the warm sector of a low-pressure system.
Term
Stationary front
Definition
a pair of air masses neither of which is strong enough to replace the other.
Term
Occluded front
Definition
a composite front produced by occlusion.
Term
El nino
Definition
an irregularly occurring and complex series of climatic changes affecting the equatorial pacific region and beyond every few years.
Term
La nina
Definition
a cooling of the water in the equatorial pacific that occurs at irregular intervals and is associated with widespread changes.
Term
Doppler effect
Definition
an increase in frequency of sound, light, or other waves as the source and observer move towards each other.
Term
Ozone layer
Definition
a layer in the earth's stratosphere at an altitude of about 6.2 miles containing a high concentration of ozone.
Term
Greenhouse effect
Definition
the trapping of the sun's warmth in a planet's lower atmosphere due to the greater transparency of the atmosphere.
Term
Global warming
Definition
a gradual increase in the overall temperature of the earths atmosphere generally attributed to the greenhouse effect.
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