Science Chapter 17
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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| Air Mass | a huge body of air that has similar temperature, humidity, and air pressure at any given height
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| Maritime Tropical | warm, humid air masses form over the Gulf of Mexico and Atlantic oceans
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| Maritime Polar | cool, humid air masses form over the icy cold North Pacific and North Atlantic oceans
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| Continental Tropical | hot, dry air masses form mostly in summer over dry areas of the Southwest and northern Mexico
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| Continental Polar | form over central and northern Canada and Alaska, bring bitterly cold weather with very low humidity
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| Cold Fronts | rapidly moving cold air mass overtakes a slow-moving warm air mass
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| Warm Fronts | a fast moving warm air mass overtakes a slower moving cold air mass
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| Stationary Fronts | a warm air mass and a cold air mass meet and neither can move the other; may bring many days of precipitation
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| Occluded Fronts | a warm air mass is caught between to cold air masses
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| Low Pressure Systems | associated with clouds, wind, and precipitation; are marked with an L
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| High Pressure Systems | generally causes dry, clear weather; marked with an H
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| Storm | violent disturbance in the atmosphere
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| Thunderstorms | a small storm often accompanied by heavy precipitation, strong winds and frequent thunder and lightning, forms in large cumulonimbus clouds
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| Flash Floods | sudden violent flood that occurs shortly after a storm
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| Tornadoes | rapidly whirling, funnel-shaped cloud that reaches down from a storm cloud to touch the Earth’s surface, can last for 15 minutes or less, and can reach speeds of 500 kilometers and hour
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| Hurricanes | tropical cyclone that forms over warm ocean water, is long lasting, and has winds of 119 kilometers (75 mph) or higher
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| 1st Stage of a Hurricane | Tropical wave
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| 2nd Stage of a Hurricane | Tropical disturbance
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| 3rd Stage of a Hurricane | Tropical depression
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| 4th Stage of a Hurricane | Tropical storm
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| 5th Stage of a Hurricane | Hurricane
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| Storm Surge | a dome of water that sweeps across the coast where the hurricane lands causing great damage
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| Hurricane Warning | hurricane conditions are expected within the next 24 hours and people should begin evacuation
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| Winter Storm | most dangerous aspect is often the wind
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| Lake-Snow Effects | cold, dry air blows over large lakes then over land
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| Meteorologist | scientist who study the weather and try to predict it. They use maps, charts, and computers to analyze weather data and to prepare forecast
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| Isobars | lines on a map joining places to show high and low pressure systems
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| Isotherms | line joining and varying colors to show places that have the same temperature
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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