answersLogoWhite

0

Warm air is heavier than cold air so it rises up.

User Avatar

Wiki User

13y ago

What else can I help you with?

Related Questions

How do hot air balloons trap air inside?

Hot air balloons work by heating the air inside the balloon envelope using a propane burner. When the air inside the balloon is heated, it becomes lighter and less dense than the surrounding air, causing the balloon to rise. The envelope of the balloon is sealed, which allows the hot air to be trapped inside and keep the balloon aloft.


What might happen if you prick the balloon in the bottlle balloons experiment?

If you prick the balloon in the bottle balloons experiment, the air trapped inside the balloon will escape, causing the balloon to deflate. This will create a difference in air pressure between the inside and outside of the bottle, potentially leading to air rushing into the bottle to equalize the pressure.


Why balloons move up?

Balloons rise because the gas inside them is less dense than the surrounding air. When the gas molecules in the balloon are heated, they spread out, causing the balloon to become less dense and rise.


How do hot air balloons use air to fly?

Hot air balloons use the fact that hot air rises as a way to make balloons fly. When the air inside the balloon is heated, it rises, and this creates lift which is used to make the balloon fly.


Why do hot air balloons travel upward?

Hot air balloons rise because heated air inside the balloon is lighter than the cooler air outside. This difference in air density creates lift, allowing the balloon to float upward. King Tut Balloons offers this magical experience over Luxor’s skies.


What forces allow hot air balloons to fly?

Hot air balloons fly due to the principle of buoyancy. When the air inside the balloon is heated, it becomes less dense than the surrounding air, creating a lift force that allows the balloon to rise. The balloon moves vertically by controlling the temperature of the air inside.


What is the sticky stuff on the inside of balloons?

The sticky stuff inside balloons is called balloon lubricant or powder. It helps prevent the sides of the balloon from sticking together or to itself when inflated, making it easier to inflate the balloon.


How do hot-air balloons fly?

Hot air balloons can fly because hot air rises. When the air inside the balloon gets hot, it rises above the cooler air around it, and it lifts the balloon and any cargo and passengers with it.


Why are Hot air balloons are filled with air instead of helium?

They are not! The air inside them is trapped in the balloon and heated, expands, becomes less dense and rises therefore pulling the balloon up with it. If helium was used it would explode! :)


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.


What happens to particles inside hot air balloons when the heater is turned on?

When the heater is turned on inside a hot air balloon, the air inside the balloon gets heated, causing the particles to move faster and spread apart. This lowers the density of the air inside the balloon, making it lighter than the surrounding cooler air, which allows the balloon to rise.


What if a balloon is heated what happens to the volume of the air in the balloon if the pressure is constant?

For a balloon that is sealed and not full the volume of air inside the balloon will increase as it is heated. This is not however how hot air balloons work. A hot air balloon is essentially a fixed volume when it is inflated. If the air inside the balloon is heated the air inside becomes less dense so some of the air exits the balloon via the mouth of the balloon. As the air inside the balloon cools it becomes more dense so some air is ingested via the mouth of the balloon to keep it full. With each heating and cooling cycle, the pressure inside the balloon remains constant, the volume of the balloon remains constant but there is this movement of air out of and back into the balloon. P=VT Poop