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Differences in air pressure.

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10y ago

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Where did hurricane take place?

Hurricanes take place in water, but it also takes place in the atmosphere when hot air meets cold air.


Is hot air liter or heavier than cold air?

Hot air rises, so is lighter than cold air.


What it is called when hot air goes and cold air goes down?

This process is called convection. Hot air rises because it is less dense than cold air, creating a cycle where hot air goes up and cold air goes down, creating air currents.


Why does water go down in a cold place and hot water goes up in an airtight placve?

Water goes down in a cold place because cold water is denser than warm water, causing it to sink. In an airtight place, hot water rises because it is less dense than the cold air surrounding it, creating a convection current that makes the hot water move upwards.


How do electric wall heaters work?

Electric fan heaters work because they have a powerful electric fan inside, which sucks in cold air from the room. The fan then blows the air through an electrically heated element and that hot air then comes out of the fan heater into the room.Electric convector heaters work in a different way: inside they have large heating elements similar to - but bigger than - the elements inside a bread toaster.When the electricity is switched on the element gets hot and heats up the air that is all around it.Because hot air is lighter than cold air, the hot air rises up and comes out, into the room, through the grilles at the top of the heater. Cold air from the room moves in through the grilles at the bottom of the heater to take the place of the cold air, and this process continues for as long as the heater is switched on.Any movement of air in that way - cold air taking the place of hot air moving up - is called "convection", which is why the appliance is called a convection heater.

Related Questions

Does a hair dryer blow hot air out or cold air in?

A hair dryer blows hot air out.


What does it mean when a car gets hot but blows cold air?

The Air Conditioner is on


Why your car air conditioner blows cold and then hot air?

Well the main reason why your car blows out cold then hot is because the air conditioner may not be working properly. You should go to the car shop and get it fixed.


1989 Grand Marquis AC blows ice cold idling but blows hot while driving but blows cold when decelerating?

it could be the heater core and ac housing unit that allows hot air to be mixed with the cold air or it could just cancel out the cold due to the motion of the car


Why hot air blows with temp control on cold 2001 sonoma?

There is a door behind the dash that changes cold and hot air flows. The door is probable stuck or the control circuit has failed causing the hot air to blow on cold.


Your ac only blows air not cold or hot what is the problem?

Try getting it recharged.


97 4X4 Tahoe blows cold ac air when driven but when it accelerates it blows it hot from the motor then it starts to come back cold?

The system is low on freon...........


2002 dodge ram 1500 4.7 liter heater not working blows but not hot air?

we changed radaitor & thermastate , now heater blows cold air


1997 Lincoln blower motor works fine but if it is hot outside it blows hot air and if it is cold it blows cold air what could be the problem?

sounds like there is short in the flux condenser that senses the pressure change in the differing temperatures KansasCity Computers


1996 vw sharan heater blows cold cabin hot?

can you please clarify what you mean, do you mean that the front heater blows cold but the rear blows hot or do you mean that when the heating is on cold it blows hot? many thanks paul


Why would the AC blow cold air on the drivers side while hot air blows on the passengers side even when all controls are set on cold 1996 Oldsmobile 98?

Answering "Why would the AC blow cold air on the drivers side while hot air blows on the passengers side even when all controls are set on cold 1997 Oldsmobile Aurora ?


Is it better to dry your hair with hot or cold air?

well, blow dryers are a good type of way to dry your hair and it blows HOT air but if you use cold air its still okay. but to cold would make your hair freeze so i would probably say hot air