0
No. Dense air is cool air.
Wiki User
∙ 10y ago
Add your answer:
Earn +20 pts
Is warm air dense?
No, warm air is lighter than cold air because hot air rises and cold air stays in the same place.
What is the process of warm air rising?
when you heat matter, it expands. When you cool matter, it shrinks. So if you have hot air in a larger body of cool air (lets say a hot air balloon in the sky) it will weight less than the surrounding body of cool air, since its less dense (because the air is hot, thus expanded). This creates buoyancy which lifts the hot air, and this case, the entire balloon.
Why is this basement so cold?
Warm air is less dense and tends to rise, cool air is more dense and tends to sink. That is why a hot air balloon rises if the air inside is warmer than the outside air.
What air mass is hot and dry?
hot air more dense as compare to cold air
Why is warm air pushed upwards by cooler air during convection?
Warm air is less dense, as the atoms are moving fast, creating the heat and spacing the atoms out farther apart. The atoms rise above the denser, slower moving atoms; therefore, hot air rises. (the hot air can't push below the cooler air, which is less dense. its like tennis balls bouncing on a wall)
Is cool air dense?
No it is more dense than hot air
Is cool air less dense?
No it is more dense than hot air
What happens to air molecules when air gets hot?
The air molecules move farther apart from each other, therefore making it less dense. That's why hot air moves above cool air.
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
Why does a hot air baloon rise?
They rise because the hot air from the fire in the balloon art weighs less then the cool air around the balloon. so it floats up and rises. It uses convection energy. Hot air is less dense and rises and cool air is more dense and sinks.
Does hot air move into cold air or does cold air move into hot air?
Both. Since hot air is less dense than cold air, the hot air rises as the cold air falls (i.e. as the cold air displaces the hot air). If you were to dye hot air & then inject it into the center of a room, you would observe the dyed hot air rising. What you may not realize is that gravity draws the (invisible) surrounding dense cold air downwards as it displaces the (visible) less dense dyed hot air. === Previous Posters Answer: Hot air rises
Why is the balloon filled with hot air?
Air expands as it is heated, hence, hot air is less dense than cool air. Hence it rises in a surrounding environment of cooler air.
Is warm air dense?
No, warm air is lighter than cold air because hot air rises and cold air stays in the same place.
Why does hot molten rock rise up when superhot?
Density is the key. Think of a hot air balloon. Because hot air is less dense than cool air it rises above it, causeing the air balloon to rise. In science, materials that are a hotter temperature are less dense than materials that are cooler in temperature. The molten rock being hotter is less dense and rises about the cool, solid rock.
What are convection winds?
As the air molecules heat up they move faster, spread apart and as a result the air becomes less dense. As it becomes less dense it will go upwards. Cool air will move to take the place of where the warm air was = wind! You have experienced this in the kitchen. When the stove is really hot and you open the door you will feel a blast of warm air hit you as it leaves the oven and goes upwards because it is less dense than the air in the kitchen
How does a hot air balloon stays in the air?
A hot air balloon can stay in the air because the hot air is less dense than cool air. The hot air that is blown into the balloon causes it to rise and a burner is used to heat the air inside of the balloon to keep it floating.
What is the process of warm air rising?
when you heat matter, it expands. When you cool matter, it shrinks. So if you have hot air in a larger body of cool air (lets say a hot air balloon in the sky) it will weight less than the surrounding body of cool air, since its less dense (because the air is hot, thus expanded). This creates buoyancy which lifts the hot air, and this case, the entire balloon.
