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Why does the Hot air balloon rise when the fire is lit beneath the balloon?
The fire warms up the air and the air becomes less dense. So the balloon traps the warm air and since less dense gases rise with denser gasses around it, the warm air rises taking the balloon with it.
Does hot and cold air fall or rise?
Hot air rises and cold air falls.
What kind gas is used in hot air balloon?
No Gas Just hot air which is why it is called a hot air balloon. If you were wondering hot air is lighter than cold air which makes it rise so when it is trapped inside the balloon the whole thing will rise.
Why does heating the air in hot air balloon make it rise?
Hot air is lighter than cold air, so cold air sinks and hot air rises; that makes the hot air balloon rise (if the air around the hot air balloon is heated as well, it won't rise, or sink if in the air).
How do convection currents make a hot air balloon to rise?
because the air becomes less dense and spreads out so becomes hotter and hot air rise so the balloon does.
Do liquids expand?
Yes. liquids expand. If we heat the beaker which is filled with water using a candle, the volume will rise as the water is mixed with hot air. Hot air would want to excape, therefore liquids do expand.
Why would heating the gas in air balloon make balloon rise?
if you mean how the hot air in a hot air balloon makes it rise, its because hot air is less dense than cold air. when cold and hot air meet the cold air sinks thus making hot air left to rise.so when you put hot air in a balloon the air would rise. hope this helps.
Why does pressure in tires increase on hot days?
Because if you heat a gas (the air in the tyre) without letting it expand the pressure will rise.
Why do you think hot-air balloons can rise into the air?
Hot-air balloons can rise up into the air because hot air is lighter, allowing it to float up into the sky.
When air is heated the gases speed up and?
expand, causing the air to become less dense and rise.
Will a balloon rise higher with hot air or cold air?
Hot air
Why does the Hot air balloon rise when the fire is lit beneath the balloon?
The fire warms up the air and the air becomes less dense. So the balloon traps the warm air and since less dense gases rise with denser gasses around it, the warm air rises taking the balloon with it.
Why would heating the gas in balloon make the balloon rise?
if you mean how the hot air in a hot air balloon makes it rise, its because hot air is less dense than cold air. when cold and hot air meet the cold air sinks thus making hot air left to rise.so when you put hot air in a balloon the air would rise. hope this helps.
Does heat rise or hot air rise?
Hot air rises. As air is heated, it becomes less dense and therefore more buoyant, causing it to rise. This is due to a difference in temperature creating a temperature gradient, leading to the movement of air.
What does hot air rise due to?
i
Does hot and cold air fall or rise?
Hot air rises and cold air falls.
Why does hot air rise up to the atmosphere?
When air is heated, more kenitic energy is transfered to the airs particles. The particles then begin to move and vibrate more, and expand outward. This produces hot air, which rises because it has a lower density (more spread out particles) then the cooler air that surrounds it. Thus, it rises, with the hot air balloon in tow. But, when a hot air balloon gets very high, the air that surrounds it gets less desnse its self. The hot air balloon can only get so high that the air inside is lighter then its surrounding air, otherwise it will not rise.
