Has anyone ever told you that you're full of hot air? How is hot air different from cooler air? This fast-paced webcast will look at how hot air balloons float and how a change in air pressure affects them. This program is made possible through the generous support of the Gerturde E. Skelly Charitable Foundation. Find educator resources at STEM in 30: http://airandspace.si.edu/explore-and-learn/stem-in-30/archive/?id=15678
Video Duration:
28 min 12 sec
YouTube Keywords:
aviation air space national museum smithsonian airplane NASA Rocket Jet Discovery SR-71 Blackbird "Space Shuttle" History Science STEM astronaut
