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How do hot air balloons stay in air?
hot air rises
Does hot and cold air fall or rise?
Hot air rises and cold air falls.
What makes hot air balloon rise?
A hot air balloon rises because the air inside the envelope is heated by a burner, which makes it less dense than the surrounding cooler air. This lower density causes the balloon to float upwards, much like a cork in water.
When hot and cold air meet the hot air rises to the top but which process causes the hot air to rise?
Hot air rises because it is less dense than cold air. As hot air heats up, its molecules become less tightly packed and therefore lighter than the surrounding cold air, causing it to rise. This process is known as convection.
When does a air balloon rise?
A hot air balloon rises because when hot air is added it is intended to rise and when the hot air balloons wants to land, hot air is decreased.
How do hot air balloons stay in air?
hot air rises
What is air that rises?
hot
How does hot air travel out of a hot cup of hot chocolate?
hot air rises
What does air do to help your heart?
Hot air rises. That is how a hot air balloon works.
What causes hot air to rise?
Hot air is lighter than cold air, so it rises up. Ex. A hot air balloon rises up because we heat the air and it goes up.
Does hot and cold air fall or rise?
Hot air rises and cold air falls.
How can a hot air balloon move towards the wind?
hot air rises up
When hot and cold air meet the hot air rises to the top. Which process causes the hot air to rise?
Convection
Why does an air balloon float?
If you mean hot air balloon then it floats because hot air rises because it is less dense and with enough hot air caught in the balloon it can lift create enough lift to take off into the air. If you mean a helium balloon then it rises because helium in the balloon is less dense then the air around it. Since less dense things rise to the top the balloon will float.
How does hot air rise?
Hot air rises because it is less dense than cold air.
How does warm air balloons float?
"Warm air", otherwise known as Hot Air Balloons, float because of one basic Law of Thermodynamics; heat rises. The air in a hot air balloon is hot, therefore, the balloon rises.
How does the air density inside a balloon change as it rises from the ground to the air?
The air density inside a balloon changes as it rises because the hot air inside the hot air balloon is less dense than the air around it causing it to fly since hot air rises. But as it rises it loses its hot air causing it to eventually not be able to fly anymore and come down.
