Air that has been heated has molecules that are more energetic, and this activity increase the spaces between molecules. The result is that a volume of heated air has fewer molecules than cooler air, and is displaced by the denser (heavier) cool air. It rises until it reaches the level in the atomosphere with the same density, or until it loses its heat to surrounding air. This cyclic heating and cooling creates air convection.
In the atmosphere, denser high-pressure air masses (usually cooler) will displace warmer air masses as they move across the surface. Warmer, more humid air is pushed upward along the boundaries of cooler, drier air, which produces weather fronts.
The upward movement of warm air and the downward movement of cold air forms fluids.
The upward movement of warm air is called convection. This process occurs as warm air rises due to its lower density compared to cooler air, creating vertical air currents in the atmosphere.
the warm air rises because of its Kinetic energy !
As the earth is heated by the sun, bubbles of air rise upward from the warm surface.
Warm air is always forced upward along a front because it is less dense than the surrounding cold air. As the warm air rises, it cools and condenses to form clouds and precipitation.
Temperature
convection
An upward flow of (warm) air is known as a Thermal .
warm air
The upward movement of warm air and the downward movement of cold air forms fluids.
The upward movement of warm air is called convection. This process occurs as warm air rises due to its lower density compared to cooler air, creating vertical air currents in the atmosphere.
Cold air is denser than warm air, so it tends to sink downward. As it does, it displaces the warmer air, pushing it upward. This creates a convection current where cold air sinks and warm air rises.
No. An updraft (updraught) is an upward moving current of warm air.
the warm air rises because of its Kinetic energy !
Conduction
Temperature
Temperature