The principle behind the working of the thermometer?
Expansion of liquid when heated...liquid expands and rises in the thermometer.
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What happens when humidity rises?
When the humidity rises, the air feels heavy, sticky, and uncomfortable.
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What is Humidity?
Humidity is the amount of water vapor in the air.
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Two types of humidity?
Relative and Absolute Humidity
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The instrument used to measure air pressure?
Barometer
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What is Absolute humidity?
Absolute humidity is a measure of how much water vapor the air is capable of holding. The hotter the air is, the more moisture it can hold.
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Sunbathing on a hot beach? You start sweating . Why?
When the humidity rises, the air feels heavy, sticky, and uncomfortable.
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Why do we sweat more in Mumbai than Rajastan?
Since there already is so much water vapour in the air, it doesnt get evaporated from our skin. Whereas in Rajastan, even sweat gets evaporated
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Define Air pressure?
It is the force exerted due to the weight of air.
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What is Relative Humidity?
The relative humidity is a measure of how much moisture there actually is in the air. It's expressed as a percentage of the absolute humidity.
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Units of Temperature?
Celcius,Fahrenheit,Kelvin
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Where does Air get the water vapour from?
It gets it from the evaporation from the oceans,rivers,lakes and even from leaves
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What is the reason that Mumbai has more water vapour in the air, and Rajastan has very little?
The reason is due to evaporation. In a dry desert due to no rivers, ponds , lakes or leaves, hardly any evaporation takes place. In Mumbai lot of evaporation...