geo. wea. instrument
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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| how is temp. measured? | in degrees celsius by a maximum and minimum thermometer.
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| what is a maximum and minimum thermometer? | a glass tube containing mercury and alcohol.as temps rise mercury rises on the max. side of the instrument, when temps fall they are recorded on the min. side of the thermometer.
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| tell me about a stevenson screen. | temperatures from a stephenson screen are measured in the shade, to do this max. and min. thermometrs are shaded in a special box called a stephenson screen.
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| what does a hygrometer do? | it measures relative humidity, which is the amount of water vapour in the air.
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| how do you calculate the mean annual temperature? | add the average temp. of each month and divide by 12.
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| how do you calculate the annual temp. range? | the average temp of the hottest month minus the average temp of the coldest month.
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| tell me about a wind vane. | it shows wind direction.
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| what does an anemometer or a beaufort scale do? | measures the speed and strenght of wind.
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| what does a campbell stokes recorder do? | it measures the hours of sunshine per day.
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| what does a rain gauge do? | measures rainfall in millimetres.
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Created by:
cliodhna
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