Term
#118
Layers of the atmosphere
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Definition
Def: Troposphere is the first layer closest to Earth. Then, stratosphere, mesophere, thermosphere.
Sent: The layers of the atmosphere protect living things on Earth from the sun's radiation.
Ex: Ozone, Ionosphere |
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Term
#119
Changing states of water
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Definition
Def: The changing of water based on temperature
Sent.: The 3 changing states of water is solid, liquid, and gas.
Ex: melting, evaporating |
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Term
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Definition
Def: Energy absorbed/released by a state changing.
Sent: Latent heat has a solid, liquid, and gas phase
Ex: Change, melting |
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Term
#121
Saturation Point
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Definition
Def: Stage where no more of a substance can be absorbed into a type of solution
Sent: In the saturation point, nothing else can be accepted.
Ex: sponge absorbed, dew point |
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Term
#122
Relative humidity
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Definition
Def: Percentage of water vapor in the air shown as amount needed for saturation in the same temperature.
Sent: Relative humidity (RH) is a ratio
Ex: 100% in 10 degrees, 28% in 30 degrees
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Term
#123
Hygrometer (sling psychrometer)
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Definition
Def: Instrument used to measure moisture in the atmosphere
Sent: The hygrometer was first invented in 1755 by Johann Lambert
Ex: psychrometer, thermometers
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Term
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Definition
Def: Temperature which air must be cooled to reach saturation
Sent: Dew point measures the moisture in the atmosphere
Ex: dew on grass, flowers |
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Term
#125
Adiabatic Rates
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Definition
Def: rate of temperature occuring when there is rising or decreasing air parcel takes place.
Sent: Adiabatic rates are also lapse rates
Ex: pressure, density |
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Term
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Definition
Def: Mass of condensed water vapor that floats in the atmosphere
Sent: CLouds form by rising and cooling of air
Ex: Cirrus, Cumulus |
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Term
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Definition
Def: Volume of air based on its temperature and water vapor
Sent: Air masses usually cover many miles
Ex: northern, tropical |
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Term
#128
Air pressure
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Definition
Def: pressure exerted by weight of air on Earth
Sent: Gravity is involved with air pressure on Earth
Ex: Balloons, water |
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Term
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Definition
Def: Instrument measuring atmosphere pressure
Sent: Barometers determine height above sea level
Ex: mercury, mechanical |
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Term
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Definition
Def: Natural movement of air in a form of a current blowing from a certain direction
Sent: Wind is air blowing in a natural motion.
Ex: local, land breeze |
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Term
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Definition
Def: Lines drawn on a weather map for atmosperic pressure.
Sent: Isobars can help show areas of low and high pressure
Ex: 1000mb, 1020mb |
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Term
#132
Factors affecting wind
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Definition
Def: Factors that affect wind deal with forces and pressure
Sent: Factors that affect wind can be involving friction in motion
Ex: pressure gradient force, Coriolis effect |
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Term
#133
Condensation Nuclei
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Definition
Def: small particles of a cloud droplet when it condenses
Sent: Cloud Condensation Nuclei can also be known as "Cloud seeds"
Ex: dust, salt crystal |
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Term
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Definition
Def: System of winds that rotate inward to areas of low pressure
Sent: Some effects of cyclones include heavy rain, strong winds, and tornadoes.
Ex: Tropical storm, a depression |
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Term
#135
Anticyclones
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Definition
Def: System where high atmospheric pressure is at the center
Sent: Anticyclones circulate clockwise
Ex: calm, fine weather |
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Term
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Definition
Def: cooler mass of air replacing a warmer mass of air on ground
Sent: Cold fronts usually move from northwest to southeast.
Ex: colder, drier |
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Term
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Definition
Def: A warm mass of air replacing a colder mass of rain on ground
Sent: Warm fronts usually move from southwest to northeast
Ex: moist, warm |
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Term
#138
Stationary front
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Definition
Def: A pair of air masses where niether are strong enough to replace each other
Sent: When a cold and warm front stops moving, it becomes a stationary front
Ex: blue spikes, red domes on line |
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Term
#139
Occluded front
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Definition
Def: When a cold front overtakes a warm front
Sent: In a storm, the cold front roates and catches the warm front
Ex: less dense, colder |
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Term
#140
More factors affecting wind
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Definition
Def: Coriolis effect, friction, and pressure affect wind direction
Sent: Several factors affect wind and wind direction
Ex: currents, wind system |
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Term
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Definition
Def: Climating changes occuring in the equatorial Pacific reigion
Sent: El Nino events occur every few years
Ex: warm, poor nutrient water |
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Term
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Definition
Def: Associated with cooler temperatures in the equatorial Pacific Ocean
Sent: La Nina and El Nino associate with opposite temperatures
Ex: drier, sunnier weather |
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Term
#143
Doppler Effects
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Definition
Def: Change in frequency for an observer moving relative to the source
Sent: In the Doppler effect, getting closer to the source builds up higher frequency
Ex: low, high |
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Term
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Definition
Def: Part of the Earth's stratosphere that absorbs the Sun's UV rays
Sent: It contains a lot of concentration of Ozone (O3)
Ex: UV rays, molecules |
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Term
#145
Greenhouse effect
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Definition
Def: Process which thermal radiation from a planetary surface gets absorbed by atmospheric gases
Sent: Without greenhouse gases trapping heat, the Earth would be very cold
Ex: Solar radiation, re-radiated heat |
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Term
#146
Global Warming
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Definition
Def: A gradual increase in the Earth's temperature
Sent: Global warming making temperature changes can cause changes in climates
Ex: Carbon Dioxide, air pollution |
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