Hw
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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| The most destructive storm on Earth. | Hurricane
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| A _____ ______ forms when a large, high-pressure system lingers over an area for several days. | air mass
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| A(n) _________ air mass is a polar air mass that forms over the northern Atlantic Ocean | maritime
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| A boundary between two air masses is called a(n) _____. | front
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| In a(n) ______ pressure system, rising air cools and water vapor condenses, forming clouds | low
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| Cold air pushes underneath warm air because it is | denser
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| In a(n) warm front, warm air ______over cold air. | glides
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| A(n) _________ front forms when a fast moving cold front catches up with a slow moving warm front. | occluded
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| The first stage of a thunderstorm is when ________ form | clouds
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| Rapidly expanding air molecules near a bolt of lightening causes a sound called __________. | thunder
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| Dry air masses that form over land are called _________ air masses | continental
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| An air mass that forms near the equator is a(n) ________ air mass. | tropical
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| The first stage of a thunderstorm is called the _________ stage. | cumulus
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| A hurricane is also called a tropical cyclone or a _______. | typhoon
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| Rain that freezes when water its the cold surfaces. | freezing rain
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| A severe winter storm, characterized by freezing temps, strong winds and blowing snow. | blizzards
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| The amount of water vapor in the air. | humidity
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| The measure of average kinetic energy. | temperature
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| The _____ stage of a thunderstorm contains heavy winds, rain and lightening | mature
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| During the _________ stage of a thunderstorm, wind an drain stop. | dissipation
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| Lightning is caused by oppositely ____________ particles in clouds and the ground. | charged
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| Tornado _________ is the name for the part of the US that has the most tornadoes. | alley
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| Air ______ from High pressure to low pressure | moves
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| Warm air __________. | rises
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| cool air ______. | sinks
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| High pressure produces _________ a sky | clear
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| Low pressure produces a __________ day. | cloudy
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| a _____ pressure system is a large body of circulating air that has high pressure at its center. | high
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| _________ air is cold and dry | arctic
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| As water vapor rises and cools, it ________ to form liquid water | condenses
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| When water falls from the sky, it is called | precipitation
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| ________ form when updrafts from thunderstorms start to rotate. | tornadoes
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| Tornadoes are due to _________ of a thunderstorm. | rotation.
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| Hurricanes occur when the wind speeds exceed ______ km per hour. | 119
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| Hurricanes form over water in the _________. | oceans
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| A severe ______ is issued then severe whether is already occurring. | warning
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| A severe ______ is issued then severe whether is possible. | watch
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| Maritime air masses form over _____. | water
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| Continental air masses form over _____. | Land
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| Polar air masses form in _______ areas. | cold
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| Tropical air masses form in ______ areas. | warm
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