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weather chp 123
describes ALL terms for the weather ch.123 test
| Question | Answer |
|---|---|
| meteorologist | scientist who studies weather |
| air pressure | weight of column of air |
| relative humidity | amount of water vapor in mixture with the air |
| temperature | average amount of evergy in molecules of a substance |
| precipitation | any form of water that falls from clouds |
| anemometer | instrument measuring wind speed |
| barometer | measures pressure |
| psychrometer | measure relative humidity |
| wind vane | tells direction of wind |
| water vapor | water in gas form |
| forecast | prediction of weather for next few days |
| isotherm | lines on a weather map that connect equal amounts of temperature in areas |
| isobar | lines on a weather map that connects areas of equal pressure |
| millibar | units of pressure used on barometers |
| evaporation | process by which water escapes into air as gas |
| condensation | water vapor turns into liquid water |
| when do clouds form | when air is cold to dew point and particles are present |
| what causes winds and determines the direction they blow in | unequal heeatinnng of the earths surface, and winds blow from areas of high pressure to areas of low pressure |
| continental polar | cold/dry forms over land near the poles |
| continental tropical | hot/dry formed over continents in hot areas. |
| maritime tropical | warm/humid forms over oceans in the tropics |
| maritime polar | cold/humid formed over ocean near poles. |
| what is the relationship between air pressure and altitude? air temp and altitude? | as altitude increases, pressure decreases, which when that happens, temperature drops. |
| what happens when a cold front moves through an area? | storms arrive and temperature changes drastically! |
| what happens when a warm front moves through an area? | clouds form cirrus to stratus, changes temperature to warm and fair. |
| what happens when a high pressure moves through an area? | when a high pressure system moves through an area, fair sunny weather comes |
| what happens when humidity reaches 100%? | it rains bro.. |
| how are weather and climate different? | weather-current conditions climate-weather known to be for a long time. for example our desert weather is known to be dry and hot. |
| at what temperature does water freeze? | celsius-0 fahrenheit-32 |
| how do we name winds? | where they come from. |
| what do we call a wind that moves from N to S. | northerly wind |
| what is the most abundant gas in the atmosphere? the 2nd most... | nitrogen--2nd--oxygen |
| what layer of the atmosphere does weather occur in | troposphere |
| in order from the earth to space--the layers of the atmosphere | 1.troposphere 2.stratosphere 3.mesosphere 4.thermosphere |
| each new layer of the atmosphere is indicated by a change in ________ | temperature |
| what does the ozone do? | protects us from the UV rays. |
| what is the very outermost layer of the atmosphere in which satelliters are found? | exosphere! |
| what is the formula for calculating density? | Mass ______ volume |
| what are thunderstorm clouds called? | cumulonimbus! :D UP :)))) |
| describe a tornado and hurricane--how are they different? | tornado-cold and warm air masses meet on land and last for a couple hours. hurricane-- on ocean, huge, seen from outer space, and lasts long |
| what is the difference between cyclones and anticyclones? | cyclones-spin counterclockwise -weather they bring and pressure it associates with. anticyclones- spin clockwise |
| essay-- relate vegetation to climate. | climate determines vegetation, meaning the vegetation depends on the climate. for example, where we live, the climate is hot and dry. cactus and plants that can survive in our climate will grow here. |
| cold front looks like-- | blue triangles facing one direction. |
| warm front looks like-- | red scallops facing one direction. |
| occluded front looks like-- | triangles and scallops that are purple, facing one direction. |
| stationary front looks like-- | red scallops and blue triangles facing opposite directions, alternating. |
| H | blue |
| L | red |
| why has weather forecasting improved? | because of technology like computers and satellites! |
| when a warm and a cold air mass meet, and dont move? | stationary front |
| what air mass would form over mexico? | tropical continental |
| when air moves up a mountain^^^^ what happens to the temperature and humidity? | temperature drops & relative humidity increases. |
| highfeathery clouds are--and what do they indicate | cirrus and indicated a warm front |
| anticyclone weather? | dry and fair |
| what is el Niño? | warm waters from western pacific ocean fo fown to south america --fish die because of water temperature change and occures around chrismas. hence the name meaning--baby jesus. |
| local winds are like-- | land breezes and sea breezes |
| what heats faster? water of land? | land |
| cools off faster? | land |
| why? | water generally likes to stay the same temperature. Stubborn little one. |
| risen hot air creates-- | area of low pressure. |
Created by:
seastar12081
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