Ch. 7-9
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| An electron stream that jerkily travels from a cloud during a thunderstorm is a | stepped leader
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| What forms the brilliant flash of a lightning bolt | return stroke
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| Drops of liquid water that have a diameter of less than 0.5 millimeter and fall from clouds to Earth are | drizzle
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| Atmospheric pressure at sea level is ? pounds per square inch | 14.7
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| Measures high-altitude weather conditions | weather balloon
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| Front that forms when two air masses push against each other but neither one advances | stationary front
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| The change in the direction of winds caused by Earth's rotation is the ? effect | Coriolis
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| Which type of clouds are thunderstorm clouds | cumulonimbus
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| A tropical cyclone with wind speeds of 74 miles per hour or more is a | hurricane
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| A wind that reverses its direction from season to season is a | monsoon
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| The thunderstorm stage marked by the arrival of precipitation is the ? stage | mature
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| What is a large, rotating updraft in a supercell thunderstorm | mesocyclone
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| When the relative humidity of 100%, the air is | saturated
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| The water that falls to the earth, including rain, sleet, hail and snow is | precipitation
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| What phenomenon occurs when an area receives an abnormally low amount of atmospheric water over a long period | drought
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| Which air mass brings hot, dry weather | continental tropical
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| What is water vapor in the air that touches the cooler ground and turns to a liquid | dew
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| A tropical cyclone with wind speeds between 39 miles per hour and 74 miles per hour is a | tropical storm
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| a fierce, single updraft thunderstorm is a | supercell
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| a narrow funnel of powerful, rapidly whirling wind that stretches from a cloud to the ground is a | tornado
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| the farthest distance at which objects can be distinguished is the | visibility
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| The elevated water level caused by a hurricane's winds is the | storm surge
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| the most intense type of downburst is a | microburst
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| The shock wave produced as lightning heats the air is | thunder
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| What is considered the outermost layer of the atmosphere | exosphere
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| the boundary between two air masses is a | front
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| What is the most abundant gas in the homosphere | nitrogen
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| heat transfer by electromagnetic waves is | radiation
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| Which type of cloud is characteristically almond shaped | lenticular
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| Which type of ultraviolet radiation is the least harmful | UVA
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| Surface winds that blow from high-pressure regions toward the equator are | trade winds
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| The convection cell that exists between the equator and latitude 30 degrees is the | Hadley Cell
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| A thick, brownish haze that results from complex molecules released into the air by vehicles and some factories and plants is | photochemical smog
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| The boundary formed when a cold air mass moves into the territory of a warm air mass is a | cold front
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| What is the coldest point in the atmosphere | mesopause
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| What is the movement of water form the earth's surface, into the air, and back to the surface | water cycle
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| In clouds with temperatures above the freezing point, rain forms by the | collision-coalescence process
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| The extremely powerful radiation that comes from deep space is called | cosmic rays
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| Air flowing down a mountain's slope die to differences in temperature and pressure is a ? wind | katabatic
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| a circulating spiral of wind around a low pressure system is a | cyclone
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| Tornadoes are classified using the Enhanced ? scale | Fujita
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| Hurricanes are ranked on the ? Hurricane Wind Scale | Saffir-Simpson
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| The rapidly swirling cloud that is the most distinctive visual feature o fa tornado is a | condensation funnel
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| A single updraft system in a thunderstorm is a | cell
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| Air that is warm near the ground but very cold at higher altitudes is | unstable
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| "Lines of equal heat" are known as | isotherms
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| Maps that give a summary of the weather conditions throughout the entire country at a single point in time are | surface weather charts
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| A tornado that forms over water is called a | waterspout
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| The center of a hurricane is the | eye
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| A weather instrument that simultaneously measures and transmits meteorological data from weather balloons to weather stations is a | radiosonde
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| measures relative humidity | hygrometer
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| measures air temperature | thermometer
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| measures atmospheric pressure | barometer
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| measures wind speed | anemometer
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| uses radio waves to detect objects and measure their distance | radar
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| measures the amount of precipitation | rain gauge
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| indicates the direction of wind | weather vane
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| measures the distance from the ground to the base of clouds | ceilometer
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| a rotating column of air that starts on the ground and is not associated with a cloud | dust devil
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| lines of equal pressure on a weather map | isobars
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| a long line of advancing thunderstorms, usually moving ahead of a cold front | squall line
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| a concentrated downward blast of wind | downburst
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| a localized storm involving lighting, thunder, strong winds and heavy rain | thunderstorm
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| the long, narrow lines of thunderstorms in a hurricane | rain bands
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| state of the atmosphere at a certain time and place | weather
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| an abrupt discharge of electricity through the air | lightning
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Created by:
Harrison83
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