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Why Does Hot Air Rise - UCSB Science Line
http://scienceline.ucsb.edu/getkey.php?key=3901
WEBAnswer 1: Hot air rises because when you heat air (or any other gas for that matter), it expands. When the air expands, it becomes less dense than the air around it. The less dense hot air then floats in the more dense cold air much like wood floats on water because wood is less dense than water.
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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 · Since hot air rises, it escapes through the chimneys. Fireplace flues (the passageway inside your chimney) are a major source of air leaks. The flues are usually made of metal, and extreme temperature changes can cause cracks, leading to heat loss.
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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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What happens when warm air rises and cold air sinks? - UC …
http://scienceline.ucsb.edu/getkey.php?key=5994
WEBSo, air moves around in a BIIIIG circle: Hot air rises, and is replaced by cold air. The warm air gets cold, and moves, and eventually falls again when it gets cold enough. This is what makes wind on the earth. Big things happen when the …
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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
WEBConduction involves molecules transferring kinetic energy to one another through collisions. Convection occurs when hot air rises, allowing cooler air to come in and be heated. Thermal radiation happens when accelerated charged particles release electromagnetic radiation, which can be felt as heat. Questions.
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Hot Air - Science Kids at Home
http://www.sciencekidsathome.com/science_topics/hot_air.html
WEBWhen warm air rises, cold air moves in replacing the warm air. This movement of air is what we call wind. Key Points. when air rises, its temperature decreases; when air subsides, its temperature increases; when the temperature of a parcel of air decreases, its relative humidity increases
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Hot Air: The Physics Of Rising Air | A Moment of Science
https://indianapublicmedia.org/amomentofscience/hot-air.php
WEBThe hot air does rise, but it gives up its heat as it rises. That's because there's less air pressure at higher altitudes, and lower pressure makes that rising bubble of hot air expand. The more...
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Does Hot Air Always Rise? | Wonderopolis
https://www.wonderopolis.org/wonder/does-hot-air-always-rise
WEBDec 13, 2016 · Hot air does rise, but it doesn't have anything to do with getting closer to the Sun. Hot air rises because gases expand as they heat up. When air heats up and expands, its density also decreases. The warmer, less dense air effectively floats on top of the colder, denser air below it.
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Air Movement | Earth Science - Lumen Learning
https://courses.lumenlearning.com/earthscienceck12/chapter/air-movement/
WEBA few basic principles go a long way toward explaining how and why air moves: Warm air rising creates a low pressure zone at the ground. Air from the surrounding area is sucked into the space left by the rising air. Air flows horizontally at top of the troposphere; horizontal flow is called advection. The air cools until it descends.
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14.6: Convection - Physics LibreTexts
https://phys.libretexts.org/Bookshelves/College_Physics/College_Physics_1e_(OpenStax)/14%3A_Heat_and_Heat_Transfer_Methods/14.06%3A_Convection
WEBFeb 20, 2022 · In the case of Earth, the atmospheric circulation is caused by the flow of hot air from the tropics to the poles, and the flow of cold air from the poles toward the tropics. (Note that Earth’s rotation causes the observed easterly flow of …
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