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How does water keep cool?
water keeps cool by putting icepacks beside it.
5 examples when evaporation causes cooling?
1.when tea is poured into a saucer when it is very hot it is exposed to a large area n causes evaporation n the tea becomes cool... 2.In summer seasons the water gets cool in a earthen pot because it has fine pores in it through which water seeps out gets evaporated using the heat of water in earthen pot n causes cooling effect....... 3.when we sweat n sit under a fan we feel cool because of the same principle..... 4. doctors advice patients with fever to keep a wet cloth on their fore head because of the same principle temp. cools down...... 5. a wet khus khus screen hung at the door of the room keeps the room cool because when the water in wet khus khus screen evaporates using the heat of the air entering the room and makes the air cool and this cool air enter's the room making it cool.....
What is in a runner's sweat?
In a runners sweat there is water and presperation to keep the runner cool.
How does the water kept in an earthen potbecome cool during summer?
Earthen pots are made of mud. Mud structures are porous and have microscopic cracks and crevices. When you pour water on the inside, water enters these cracks and crevices and wets the pot throughout. Now, look what happens to temperature. After about 20 minutes or so, depending on the size of earthen pot, the temperature of water and pot becomes same due to heat transfer. Now, let us look at the outside surface of the pot. This pot is now wetted by water from the inside, and hence the outer surface of the pot naturally contains water exposed to atmosphere. This water evaporate and carries along with it a certain amount of heat. By doing so, the pot is now a little cooler than before. Continued evaporation brings about a stable state, where the heat input to the water inside the pot is lost through the outer layer of the wetted earthen pot due to continued evaporation. If we want to increase the rate of cooling or further reduce the temperature, then cover the outer surface of the pot by thick cotton cloth or rag cloth and pour water on it. Hope this answers your question.Read more: How_does_the_water_kept_in_earthen_pot_becomes_cool_during_summerEarthen pots are made of mud. Mud structures are porous and have microscopic cracks and crevices. When you pour water on the inside, water enters these cracks and crevices and wets the pot throughout. Now, look what happens to temperature. After about 20 minutes or so, depending on the size of earthen pot, the temperature of water and pot becomes same due to heat transfer. Now, let us look at the outside surface of the pot. This pot is now wetted by water from the inside, and hence the outer surface of the pot naturally contains water exposed to atmosphere. This water evaporate and carries along with it a certain amount of heat. By doing so, the pot is now a little cooler than before. Continued evaporation brings about a stable state, where the heat input to the water inside the pot is lost through the outer layer of the wetted earthen pot due to continued evaporation. If we want to increase the rate of cooling or further reduce the temperature, then cover the outer surface of the pot by thick cotton cloth or rag cloth and pour water on it. Hope this answers your question.Read more: How_does_the_water_kept_in_earthen_pot_becomes_cool_during_summer
When a person perspires which part of the water cycle is he or she directly depending on to keep cool?
evaporation
Is it safe to use water kept in earthen pots?
Depends whether the earthen pot is baked or not, if it is, it's safe to keep it.
Earthen pot that needs to be moistened before use?
Bare earthen ware pots that are wetted down keep their contents cool as the water evaporates from its surface. This form of evaporative cooling has been around for thousands of years and is one of the first non-biological ways humans harnessed solar energy to do work.
Why does the water kept in the earthen pot becomes cool even in summer?
During hot summer days, water is usually kept in an earthen pot (called matka) to keep it cool. Let us see how it gets cooled. The earthen pot has large number of extremely small pores (or holes) in its walls. Some of the water continuously keeps seeping through these pores to the outside of the pot. This water evaporates (changes into vapour ) continuously and takes the latent heat required for vaporisation from the earthen pot and the remained water. In this way, the remaining water loses heat and gets cooled. This is also an example of the cooling caused by evaporation. It should be noted that all the water on the earth does not gets evaporated due to the high value of the latent heat of vaporisation of water. It is much less effective in humid environments than arid ones since high humidity limits the amount of evaporation.
How do you keep water cool?
we can keep water cool by kept it in a insulater and in a water cooler which have a special layer made by any insulater
How does your skin help keep your body cool?
when its hot, the sweat keeps you cool. tiny blood vessels near the surface of the skin help to cool your blood.
How does water keep cool?
water keeps cool by putting icepacks beside it.
Do rabbit ears have any bones in?
Rabbit ears are made of cartliage and blood vessels. The blood vessels help the rabbit keep cool in the summer.
How does a crocodile behave to keep cool the hottest part of the day?
they go in the water
How do pharaohs keep cool?
with water and fanning
How can I keep water cool?
cover it with an aluminum foil
What is water pump in Auto Mobile?
A water pump in an automobile has one major use. That is to pump water throughout your entire engine to keep it cool. If you do not keep your engine cool you will mess it up.
How does an elephant keep cool?
They collect water in their trunks and spray it ton their back. Sometimes they will go in the water to stay cool.
