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Why do hot air balloons rise with hot air?
Hot air is lighter than cool air, so when the balloon is filled with hot air, it becomes less dense than the surrounding cool air, causing it to rise. As the hot air inside the balloon cools, the balloon will descend. By controlling the temperature of the air inside the balloon, the pilot can control the altitude.
In Figure 15-1 cool air is more dense and forces up air.?
Yes, that's correct. Cool air is denser than warm air, so when cool air encounters warm air, it forces the warm air to rise due to differences in density. This process is known as convection, which plays a significant role in atmospheric circulation and weather patterns.
Why does smoke from burning materials rise in the air?
Smoke rises in the air due to the difference in temperature between the smoke and the surrounding air. When materials are burned, the heat causes the air inside the smoke to expand, making it less dense and causing it to rise. This process creates air currents that carry the smoke upwards.
When heat moves from the baseboard to the rest of the it is called what?
It is called convection. Heat energy is transferred through the movement of air or water molecules, causing warm air to rise and cool air to fall, creating a continuous circulation of heated air in a room.
How the hot air balloon can rise up into the air even through it doesm't have a motor?
A rubber ball rises up in the water because it is full of a substance (rubber) that is lighter than the same volume of water. A hot air balloon rises up into the cool air because it is full of a substance (hot air) that is lighter than the same volume of cool air. The hot air balloon floats in cool air, just like the rubber ball floats in water.
When does air rise?
cool
When happens when cooler air and heated air interact?
The cool air will sink and the warm air will rise.
Does cool air rise?
Warm air is less dense than cool air, so it rises upward. As it does so, the fast moving, compressed particles in the air begin to slow down and expand, causing them to cool (since fast-moving particles create heat, and slower-moving particles are colder).
What is the result in the tendency for warm air to rise and cool air to sink?
The result of warm air rising and cool air sinking is convection currents of air, causing wind. Even hurricanes are caused by this phenomenon.
Why making air rise makes it cool?
When it rises, it gets into an area of less pressure, therefore it will expand. Since this takes energy away from the air, it will cool.
Would a hot air balloon pilot heat or cool the air in the balloon to make it rise?
He would heat it.
How does a hot air balloon use hot air to rise?
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
When a rapidly moving cold air mass runs into a slowly moving warm air mass the result is an?
the cool air will rise
When a rapidly moving cold air mass runs into a slowly moving warm air mass the results is an?
the cool air will rise
Why do hot air balloons rise with hot air?
Hot air is lighter than cool air, so when the balloon is filled with hot air, it becomes less dense than the surrounding cool air, causing it to rise. As the hot air inside the balloon cools, the balloon will descend. By controlling the temperature of the air inside the balloon, the pilot can control the altitude.
When is air most likely to rise?
Air is most likely to rise when it is heated. As air becomes warmer, it becomes less dense and therefore rises. This is the principle behind the formation of clouds, thunderstorms, and other weather phenomena.
The tendency for warm air to rise and cool air to sink results in what?
The tendency for warm air to rise and cool air to sink results in convection currents. As warm air rises, it cools and then sinks back down in a continuous loop, creating circulation patterns in the atmosphere. This process helps distribute heat and moisture around the Earth.
