meteorology unit
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| Greenhouse Effect | the process by which the atmosphere traps infrared rays over the Earth's surface
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| radiation | transfer of energy by waves moving through space
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| convection | transfer of heat through the movement of heated material
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| conduction | transfer of energy in which vibrating molecules pass heat along to other vibrating molecule through direct contact
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| humidity | amount of water vapor in the atmosphere
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| global warming | an increase in the temperature of Earth's lower atmosphere, caused in part by increased levels of CO2 and water vapor
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| evaporation | the process that changes a substance from a liquid toa gas at temperature below substance's boiling point
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| transpiration | the loss of water through the leaves of plants
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| cloud | a dense, visible mass of tiny water droplets or ice crystal suspeneded in the atmosphere
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| cold front | boundary formed where a cold air mass overtakes and lifts a warm air mass
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| warm front | boundary formed where a warm air mass overtakes and rises over a cold air mass
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| dew point | temperature to which air must be cooled to become saturated
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| condensation | process by which water vapor changes to a liquid water
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| What is Earth'c most common element in the atmosphere? | Oxygen
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| What could a liquid thermometer not work without? | a vacuum at the top of its tube
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| what does a sling psychrometer measure? | the dew point and relative humidity
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| Where do air masses develope their temperature and air pressure from? | their source regions
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| which is denser cold or warm air? | cold air
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| how do you name wind | from the direction it comes from
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| What do you need to make a cloud? | water vapor, falling temperature, and condensation nuclei
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| what is the percentage of relative humidity at it's dew point? | 100%
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| What is the only substance that can survive in all states in Earth's atmosphere? | water
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| What are weather scientists officially called? | meterologists
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| How much pressure presses down on you? | 14.7 per square inch
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| Cirrus clouds look like... | hair strands
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| stratus clouds look like... | a sheet
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| cumulus clouds look like... | lumpy pillows
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| what are the stages of the hydrologic cycle? | evaporation-condensation or transpiration-condensation
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| Which laych of the atmosphere holds all life on Earth? | Troposphere
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| What layer of the Earth's atmosphere contains ozone? | stratosphere What purpose does ozone serve?
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| How do clouds form? | The water vapor rises into the air and reaches a point where it freezes around condensation nuclei.
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| How is energy transferred form the sun to the earth's surface and through the troposphere? | by radiation
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| What two gases are most abundant in the atmosphere? | Nitrogen and Oxygen
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| How do winds form? | The warm air rises up and pushes the cold air down. Also cold air comes from the poles to meet warm air at the equator.
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| What type of weather would follow a warm front? | rain
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| What type of weather would follow a cold front? | short-lived violent storms or light precipitation
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| What tool measures atmospheric pressure? | barometer
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| A rising barometer indicates what type of weather? | rain
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| Why are you not crushed by the atmospheric pressure? | because equal pressure is inside us because of our pores and mouths etc.
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