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DICKSON: 7.2 Hw
Hw
| Question | Answer |
|---|---|
| The most destructive storm on Earth. | Hurricane |
| A _____ ______ forms when a large, high-pressure system lingers over an area for several days. | air mass |
| A(n) _________ air mass is a polar air mass that forms over the northern Atlantic Ocean | maritime |
| A boundary between two air masses is called a(n) _____. | front |
| In a(n) ______ pressure system, rising air cools and water vapor condenses, forming clouds | low |
| Cold air pushes underneath warm air because it is | denser |
| In a(n) warm front, warm air ______over cold air. | glides |
| A(n) _________ front forms when a fast moving cold front catches up with a slow moving warm front. | occluded |
| The first stage of a thunderstorm is when ________ form | clouds |
| Rapidly expanding air molecules near a bolt of lightening causes a sound called __________. | thunder |
| Dry air masses that form over land are called _________ air masses | continental |
| An air mass that forms near the equator is a(n) ________ air mass. | tropical |
| The first stage of a thunderstorm is called the _________ stage. | cumulus |
| A hurricane is also called a tropical cyclone or a _______. | typhoon |
| Rain that freezes when water its the cold surfaces. | freezing rain |
| A severe winter storm, characterized by freezing temps, strong winds and blowing snow. | blizzards |
| The amount of water vapor in the air. | humidity |
| The measure of average kinetic energy. | temperature |
| The _____ stage of a thunderstorm contains heavy winds, rain and lightening | mature |
| During the _________ stage of a thunderstorm, wind an drain stop. | dissipation |
| Lightning is caused by oppositely ____________ particles in clouds and the ground. | charged |
| Tornado _________ is the name for the part of the US that has the most tornadoes. | alley |
| Air ______ from High pressure to low pressure | moves |
| Warm air __________. | rises |
| cool air ______. | sinks |
| High pressure produces _________ a sky | clear |
| Low pressure produces a __________ day. | cloudy |
| a _____ pressure system is a large body of circulating air that has high pressure at its center. | high |
| _________ air is cold and dry | arctic |
| As water vapor rises and cools, it ________ to form liquid water | condenses |
| When water falls from the sky, it is called | precipitation |
| ________ form when updrafts from thunderstorms start to rotate. | tornadoes |
| Tornadoes are due to _________ of a thunderstorm. | rotation. |
| Hurricanes occur when the wind speeds exceed ______ km per hour. | 119 |
| Hurricanes form over water in the _________. | oceans |
| A severe ______ is issued then severe whether is already occurring. | warning |
| A severe ______ is issued then severe whether is possible. | watch |
| Maritime air masses form over _____. | water |
| Continental air masses form over _____. | Land |
| Polar air masses form in _______ areas. | cold |
| Tropical air masses form in ______ areas. | warm |
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dicksona
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