Blimps, balloons, and zeppelins all fly because they are lighter than air, so they float in the atmosphere rather than sinking in it. Airships are made of lightweight materials and historically have been filled with either one of the two least dense elements there are: hydrogen or helium.
In this WebQuest we are going to look at some of the chemistry behind lighter-than-air flight. The history of airships involves some great chemistry, but it also includes some really bad chemical mistakes, which led to tragic results. This WebQuest now takes you on a lighter-than-air flight through the chemistry behind the successes and failures of airships.
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As a summary of the gas unit, enjoy your search as you discover the history of the Hindenburg.
As one of the last resources in your webquest, read this article about the real cause of the Hindenburg explosion.
Source: National Hydrogen Association
A brief article describing the two theories explaining the explosion of the Hindenburg.
Source: ACS: chammatters