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Airplane Weight and World Population (Math Chat)

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Visit this site: http://www.csmonitor.com/cgi-bin/getasciiarchive?script/97/01/17/011797.feat.feat.1
Author:Frank Morgan; Christian Science Monitor
Description: J. Henry asks whether, on a sinking boat, it helps to make parakeets in the hold fly around. K. Reinecke asks whether an airplane gets lighter when the passengers eat a meal. What causes an airplane to get lighter during flight?
Levels: Middle School (6-8), High School (9-12)
Languages: English
Resource Types: Problems/Puzzles, Articles
Math Topics: Physics

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