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Does hot air really rise? - Physics Stack Exchange
https://physics.stackexchange.com/questions/6329/does-hot-air-really-rise
WebMore correctly, warm air rises from the heat it receives from the Earths surface, even inside. Then it gets too high to receive heat and sinks, while at the same time, the cool air that has just recieved enough energy to rise takes its place.
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Does heat always rise? - Physics Stack Exchange
https://physics.stackexchange.com/questions/78464/does-heat-always-rise
WebHeat does not rise or sink because it isn't actually a substance, it's energy being transferred. It is hot air which rises. The reason for this is that hotter air is more dilute than colder air. Or equivalently: colder air is denser than hotter air.
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Curious Kids: Why does cold air go down and hot air go up?
https://theconversation.com/curious-kids-why-does-cold-air-go-down-and-hot-air-go-up-171408
WebNov 11, 2021 · The rising of hot air and sinking of cool air is important for almost every aspect of our day to day weather and our long term climate. It affects which way the wind blows and how fast it...
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Heat Rises…and Falls — Stack Effect, Air Movement, & Heat Flow
https://www.energyvanguard.com/blog/heat-rises-and-falls-stack-effect-air-movement-heat-flow/
WebJan 30, 2012 · It’s absolutely true. Heat does rise. The problem is that sometimes people say this as if the flow of heat is driven by its wanting to rise. It’s not. Heat can move up, down, or sideways, depending on the situation. What the laws of thermodynamics tell us is that heat moves from areas of higher temperature to areas of lower temperature.
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Hot Air Rises, Cold Air Sinks: The Affect on Home Climate - Cielo …
https://cielowigle.com/blog/hot-air-rises-cold-air-sinks/
WebJan 30, 2024 · Yes, hot air rises – but to say that it’s the heat’s natural state to want to rise would be wrong. It can move in any direction. Basically, heat travels from an area of higher temperature to a lower temperature. In scientific terms, this is known as the law of thermodynamics. According to the second law of thermodynamics, heat transfer ...
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What makes heat rise? - Science Questions with Surprising Answers
https://www.wtamu.edu/~cbaird/sq/2014/07/10/what-makes-heat-rise/
WebJul 10, 2014 · Heat does not rise, hot air does (usually). Heat can spread out in all directions. There are three main ways for heat to travel: Radiation: All wavelengths of electromagnetic waves, including light, carry energy.
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What happens when warm air rises and cold air sinks? - UC …
http://scienceline.ucsb.edu/getkey.php?key=5994
WebThe movement of hot and cold air is very important for moving heat and energy around our planet Earth. Hot air is less ‘dense’ than cold air. In case you do not know the word ‘dense’ yet, I essentially mean that hot air is lighter and cold air is heavier. Therefore, hot air rises and cold air sinks. Now, what happens?
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Why Does Hot Air Rise & Cold Air Sink? | Sciencing
https://sciencing.com/hot-rise-cold-air-sink-6384427.html
WebNov 22, 2019 · Considerations. As hot air from the earth’s surface rises, it soon becomes cold air as it nears space, according to Historyforkids.org. As hot air cools it sinks back to the surface of the earth, where it gets warmed by the ocean only to rise again. This is called a convection current.
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Does Hot Air Always Rise? | Wonderopolis
https://www.wonderopolis.org/wonder/does-hot-air-always-rise
WebDec 13, 2016 · SCIENCE — Physical Science. Have You Ever Wondered... Does hot air always rise? How does a hot air balloon fly? Why is the air colder at higher altitudes? Tags: See All Tags. Science, Air, Sun, Hot, Rise, Rising, Temperature, Gas, Expand, Heat, Density, Buoyant, Force, Hot Air Balloon, Fly, Mountain, Climber, Climb, Hike, Elevation, …
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Thermal conduction, convection, and radiation - Khan Academy
https://www.khanacademy.org/science/physics/thermodynamics/specific-heat-and-heat-transfer/v/thermal-conduction-convection-and-radiation
WebBob Vance. 7 years ago. If you're standing far away from a fire, and you can still feel heat, isn't that an example of conduction? The molecules from the fire are warming up the air particles, which then reach your skin and warm you up. How is it an example of radiation but not conduction? •.
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