Chapter 5 Vocabulary Weather and Its Impacts
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| air pressure | the pressure that a column of air exerts on the air or surface below
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| troposphere | -the atmospheric layer closest to the Earth, extending from the Earth’s surface to about 10km above it.
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| convection | circulation of rising, less dense, warm air and sinking, more dense, cool air
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| evaporation | the process of liquid, such as water, changing into gas, such as water vapor
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| condensation | the process of water-vapor changing into liquid water
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| humidity | the amount of water vapor in the air
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| precipitation | liquid or solid water that falls from the clouds to the Earth’s surface
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| air mass | large area of air that has uniform temperature, humidity, and pressure
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| pressure system | -a moving air mass with a particular pressure
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| fronts | boundaries where two air masses meet
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| cumulonimbus clouds | the type of cloud that can form thunderstorms
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| thunderstorms | a weather event that includes rain, strong winds, thunder and lighting
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| lighting | the electricity discharged within a cloud, between clouds, or between a cloud and the ground
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| tornado | a violent, whirling column of air in contact with the ground, is sometimes called a twiste
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| hurricane | an intense tropical storm with winds exceeding 119 km/h
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| storm surge | when a hurricane approaches land, its winds can push ocean water higher along the coast
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| drought | a period of below average precipitation in an area that can last for several months
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| ecoregion | a large area of land that has a distinct group of plants, animals and other species
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| climate | long-term weather conditions in an area
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| groundwater | precipitation that soaks into the cracks and pores beneath the Earth’s surface
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| surface water | water that fills lakes and rivers
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| watershed | an area of land where all of the runoff drains to the same body of water
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| erosion | process of moving weathered material from one location to another
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| deposition | the process where water slows down, and the eroded material is laid down and settles
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| weathering | as water, wind and ice move across the Earth, they break down rock and is dependent on temperature and humidity in an area
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