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Air humidity at places which I live Perfomed by Polina Panarina 10 D gradeСлайд 2
Objective To compare the percent of air humidity at any place’s and to grasp the reason of air differe nce
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Tasks To study the concept “humidity” and its meaning To study the device for measuring of humidity To create the device for measuring of humidity at room To measure the air humidity at different place’s
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What is humidity? All living things of our planet need air
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Classification of humidity Until 55% - dry From 56% to 70% - moderately dry From 85% - higher moist
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A healthy human feels comfortable in the hamidity range of 30% to 60%
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Hygrometer Topics : 1) Weight 2) Hair 3) Electrical 4) Ceramic 5) Condensation
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Psychrometer Topics : 1) Station 2) Remote 3) Aspiration
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What will we need to create the psychrometer ? Two room thermometers Ampoule with distilled water Bandage/cloth Box Scotch Scissors Psychometric table
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To glue first thermometer to the bottom of our box
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To bind the bandage to the end of second thermometer
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To glue the second thermometer nearly first
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To pass the bandage to ampoule that it will concern the water
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We’ve got “dry” and “wet” thermometers
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To take the testimony
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To measure the humidity Place Dry thermometer Wet thermometer Difference Percent of humidity Bathroom 25 22 3 77% Kitchen 28 24 4 72% Balcony 6 4 2 73% My room before aeration 24 21 3 77% My room after aeration 21 15 6 52% We need to take the testimony from dry and wet thermometers than to determine the relative humidity for psychrometric table
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Sources : http ://www.legion-klimat.ru/inf_vlajnost_i_organizm_cheloveka.html http :// atlas - yakutia . ru / weather / spravochnik / hum / climate _ sprav - hum _3717102314. php http :// www . happy - giraffe . ru / community /33/ forum / post /33084/
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