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How Hot Air Balloons Work | HowStuffWorks
https://science.howstuffworks.com/transport/flight/modern/hot-air-balloon.htm
webSep 28, 2023 · Hot air balloons are based on a very basic scientific principle: warmer air rises in cooler air. Essentially, hot air is lighter than cool air, because it has less mass per unit of volume. A cubic foot of air weighs roughly 28 grams (about an ounce). If you heat that air by 100 degrees F, it weighs about 7 grams less.
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How do hot-air balloons work? - Explain that Stuff
https://www.explainthatstuff.com/how-hot-air-balloons-work.html
webFeb 18, 2023 · You launch a hot air balloon by unwrapping the envelope and laying it along the ground. You tie it to your burners and basket and use a large fan to inflate it with cold air. When that's done, you remove the fan and use the burners to heat the air until it's hot enough to lift you off the ground.
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What Makes a Hot Air Balloon Rise? – Outdoor Troop
https://outdoortroop.com/what-makes-a-hot-air-balloon-rise/
webThe air all around us counts as a gas, and it’s the state of matter that hot air balloons use to rise! Like the name implies, hot air balloons achieve flight because of hot air. As the air inside the balloon (or the envelope) heats up, it becomes less …
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The Science Behind How Hot Air Balloons Work - Air Sports …
https://airsportscompanion.com/how-hot-air-balloons-work/
webHot Air Balloon Rising – Air Sports Companion. Hot air balloons work by capturing the heat from the sun and using it as fuel to create buoyant energy. This allows the balloon to float upwards into the sky like a big bubble! Hot air balloons rise into the sky because of warm temperatures and wind currents that are moving upwards.
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| How Things Fly - Smithsonian Institution
https://howthingsfly.si.edu/ask-an-explainer/how-does-hot-air-balloon-fly
webApr 2, 2012 · Hot air is less dense than cool air; the heated air causes the balloon to rise simply because it is lighter than an equal volume of cold air. Buoyancy is an upward force that the air exerts, and it helps hot-air balloons and blimps stay in the air.
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Buoyancy | How Things Fly - Smithsonian Institution
https://howthingsfly.si.edu/gravity-air/buoyancy
webWhat Makes a Hot-Air Balloon or a Blimp Float? Hot-air balloons and blimps can float in the air thanks to buoyancy, an upward force that the air exerts on them. The balloon must weigh less than the air it displaces (the air that would occupy the same space if …
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How does a hot air balloon work? - Science Sparks
https://www.science-sparks.com/how-does-a-hot-air-balloon-work/
webSep 6, 2023 · The warm air inside the balloon is less dense than the cooler air on the outside, making the air balloon rise upwards. Launching a hot air balloon in warm weather is much harder than in cool weather, as the air inside the balloon has to be heated more on a hot day to make it less dense than the external air.
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NOVA | Floating and Sinking: Hot Air... - PBS
https://www.pbs.org/wgbh/nova/education/physics/floating-sinking-hot-air-balloons.html
webJan 29, 2004 · The difference in the density of warm air inside a balloon and cool air outside the balloon causes a hot air balloon to rise and float. Questions for Discussion. Why do helium...
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How a Hot Air Balloon Works
https://www.eballoon.org/balloon/how-it-works.html
webHot air balloons are an ingenious application of basic scientific principles. Here we will show exactly how the balloon works, what makes it rise and fall and how a pilot is able to maneuver it when it is in the air. The basis of how the …
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Hot Air Balloon - Museum of Science and Industry
https://www.msichicago.org/science-at-home/hands-on-science/hot-air-balloon/
webWhen the air inside the balloon is heated, the molecules in the air begin to move around and spread out, and the air becomes less dense. The surrounding, colder air falls beneath the hot air. This forces the warm air upward, which pushes the balloon up with it. The moving warm air creates a convection current.
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