This video on convection is a supplemental teacher resource for Lesson 5 of the GLOBE Weather Curriculum (www.globeweathercurriculum.org). In this lesson, students watch a demonstration of warming up and cooling down the air inside a Mylar balloon that has been partially deflated. Students discuss what they think happens to cause the balloon to go up or down.
The curriculum is available in English, Español, and Français. For this video, closed captions are available in English, Español, and Français. Please use the settings button from within the video to enable captions.