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Why does it have to be hot air and not cold inside the envelope of a hot air balloon?
Wiki User
∙ 16y ago
hot air rises; it is lighter than cool air It does not have to be Hot Air inside the balloon, unless you want that Balloon to rise up.
Hot Air is less dense than Cold Air and hence the former is lighter.
Wiki User
∙ 16y ago
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Explain how a hot air balloon is lifted from the ground?
In a nutshell, air rises and expands when heated. Through the use of a burner the balloon pilot heats up the air inside the envelope (the balloon itself), this air inside the envelope expands and rises, lifing the basket.
When you heat the air inside a hot air balloon, it rises. Why does this occur?
D: The hot air inside the balloon becomes less dense than the air outside the balloon.
What is a hot air balloon?
At the end of a hot air balloon flight the heated air inside is allowed to escape through a panel that is opened either in the top or side of the balloon envelope. The crew then squeezes the remaining air our of the envelope and then packs it away in a large bag ready for the next flight. This process is called deflating the balloon
What is a deflated hot air balloon?
At the end of a hot air balloon flight the heated air inside is allowed to escape through a panel that is opened either in the top or side of the balloon envelope. The crew then squeezes the remaining air our of the envelope and then packs it away in a large bag ready for the next flight. This process is called deflating the balloon
What makes hot-air balloon drift downwards?
Balloons start to lose altitude when the air inside the envelope cools off. In order to keep the balloon aloft the balloon pilot uses a burner to heat up the gases inside.
How does heat affect flight?
Hot air is lighter than cold air. If you fill a balloon with hot air, the air inside will be lighter than the air outside and therefore the balloon will rise (until the air inside gets cold again).
What are the gases on a hot air balloon?
Hot air balloons are simply that, hot air. Air inside the balloon or envelope is heated, this becomes less dense than the surrounding air therefore creating buoyancy.
A Hot-air balloon consists of a bag called the?
An envelope is the bag in which the hot air is trapped ito to give the balloon lift.
What will happen if you inflate a balloon with warm air and take it to a cold place?
The air inside cools. Cool air shrinks. The balloon gets smaller.
Why the hot air balloon needs hot air to make it rise?
Hot air balloons use hot air because hot air rises above cold air. The air inside the balloon is heated above the temperature of the air outside the balloon. The warmer air trapped inside the balloon then causes the balloon to float above the outside colder air.
How does hot and cold air have an effect on an balloon?
If there is warm air in the balloon, cooler air makes the balloon rise and if there is cold air in the balloon warmer air makes the balloon fall.
Why would heating the gas in a air balloon make the balloon rise?
Hot air rises more quickly than cold air, so when you heat the air inside the balloon, it cant escape, so it pushes the balloon up.
