The way things work : flight [(DVD) videorecording] / a Millimages, Pearson Broadband and Schlessinger Media coproduction in association with France 5, ZAF, TVO, TFO ; based on the book by David Macaulay.
When a mammoth delivering canvas awnings gets lifted off the ground by the wind, the Mammoth Islanders discover the power of the wind. The Islanders experiment and eventually learn the right combination of the four forces involved in flight: gravity, lift, thrust, and drag.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.