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Grade 7 Ch I3 Vocab
Pearson Weather and Climate
Question | Answer |
---|---|
Air mass | A huge body of air that has similar temperature, humidity, and air pressure at any given height |
tropical | a warm air mass that forms in the tropics and has low air pressure |
polar | a cold air mass that forms north of 50 degrees latitude or south of 50 degrees south latitude and has high pressure |
maritime | A humid air mass that forms over oceans |
continental | A dry air mass that forms over land |
front | The boundary where unlike air masses meet but do not mix |
occluded | Cut off, as in a front where a warm air mass is caught between two cooler air masses |
cyclone | A swirling center of low air pressure |
anticyclone | A high pressure center of dry air |
tornado | A rapidly whirling, funnel shaped cloud that reaches down to touch Earth’s surface |
hurricane | A tropical storm that has winds of about 119 km/hour or higher |
meteorologist | Scientists who study the causes of weather and try to predict it |
isobar | A line of the weather map the joins places that have the same air pressure |
isotherm | A line of the weather map the joins places that have the same temperature |