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The cool air will sink and the warm air will rise.
Cooler air is lighter and rises to the top, while warmer air is heavier and sinks to the bottom. There is actually a cycle of heating and cooling of the air, which causes wind. Te longer the cooler air is of higher altitude, the warmer it is going to get; this is also true of the warmer air, but vise versa. The warmer air gets cooler and starts to rise while the cooler air gets warmer and starts to sink.
True. Cool air sinks and warm air rises.
The evaporative air cooler is an alternative to conventional central air conditioning. An evaporative air cooling system is more economical to operate than a conventional central air conditioning unit.
Sink towards the ground
If the air in the balloon is cooler than the air around it, it will sink. Hot air balloons go up because they weigh less than the air around them.
The cool air will sink and the warm air will rise.
Hot air is less dense than cooler air, therefore the balloon will rise (float) on the cooler air around it.
Hot air makes a hot air balloon rise because hot air is less dense than the cooler air around it, so the hot air balloon floats on the cooler air around it.
In areas with air of varying temperatures, the cooler air will sink into the less dense warmer air. Adding cooler air at a higher point in the room will improve mixing as it settles into the room, rather than remaining near the floor. For the same reason, heating (without a fan) is more effective when done at a lower level, so that the warm air rises into the occupied area.
When the ground is cooler than the air you get fog.
yes
Warm air is less dense than cooler air.
Because hot air rises and cool air sinks. the reason why is because hot air is less dense than cool air so the cooler air will sink
Cooler air is lighter and rises to the top, while warmer air is heavier and sinks to the bottom. There is actually a cycle of heating and cooling of the air, which causes wind. Te longer the cooler air is of higher altitude, the warmer it is going to get; this is also true of the warmer air, but vise versa. The warmer air gets cooler and starts to rise while the cooler air gets warmer and starts to sink.
Heated matter tends to rise because it is less dense than cooler matter. This is due to the fact that warmer air molecules have more energy, and thus tend to move around and spread out. Cooler air does not move around so much, having less energy, and therefore will be more closely packed, or more dense. Because of this higher density, it will sink through the more loosely-spaced warm air particles and displace them. This results in warm air rising above cooler air.
Cities are warmer than the areas immediately around them. Water is a great heat sink. Winds going over water can take the warmer air in winter and push it over that nearby land, thus warming the associated land. The reverse happens in summer. The air moving over cooler water is cooled and transfers that cooler air over the downwind land.