How Do Hot Air Balloons Work?

Captions provided by CCTubes – Captioning the Internet! Hot Air Balloons! They’re those big, beautiful balloons people can float up to the sky in– but how do they get up there?!

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SOURCES:

http://howthingsfly.si.edu/ask-an-explainer/why-does-hot-air-rise
https://www.reference.com/science/heat-rise-5d9601c90286bbbd
http://science.howstuffworks.com/transport/flight/modern/hot-air-balloon.htm

https://commons.wikimedia.org/wiki/File%3AHot_air_balloon_rising_above_the_clouds_2.JPG
https://commons.wikimedia.org/wiki/File%3AHot_air_balloon.JPG
https://commons.wikimedia.org/wiki/File%3AHot_air_balloon_in_Cappadocia_01.jpg
https://commons.wikimedia.org/wiki/File%3AEspejo_(3207185886).jpg
https://commons.wikimedia.org/wiki/File%3AThailand_(628536547).jpg
https://commons.wikimedia.org/wiki/File%3ABrno%2C_krav%C3%AD_hora%2C_hot-air_balloon_starting_(13).JPG
https://commons.wikimedia.org/wiki/File%3A2013-06-08_Heissluftballontechnik_HP_L4206.JPG