what is convection?????
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Answers
Answer:
Convection is the transfer of heat by the movement of a fluid
Explanation:
Convection is the transfer of heat by the movement of a fluid (liquid or gas) between areas of different temperature. Warm air is less dense than cold air, and so convection currents can form in the presence of a temperature gradient.
Examples of Convection
Boiling water - The heat passes from the burner into the pot, heating the water at the bottom. ...
Radiator - Puts warm air out at the top and draws in cooler air at the bottom.
Steaming cup of hot tea - The steam is showing heat being transfered into the air.
Ice melting - Heat moves to the ice from the air.
Convection is the heat transfer due to the bulk movement of molecules within fluids such as gases and liquids, including molten rock.
Convection cannot take place in most solids because neither bulk current flows nor significant diffusion of matter can take place.Convection, additionally may take place in soft solids or mixtures where solid particles can move past each other.
Answer:
Convection is the circular motion that happens when warmer air or liquid — which has faster moving molecules, making it less dense — rises, while the cooler air or liquid drops down. Convection is a major factor in weather.
Explanation:
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