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Make paper airplanes |
ȸ: 253
/ õ : 15
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츮 ϴ ̵, ó ϴð 鼭 ߾ ް dz.
å (fly kites), (watch birds), ۶̴(gliders) ϳ.
Icarus, Pegasus ȭ Ұdz.
the Wright brothers(1903, Kitty Hawk, North Carolina) ù , Charles Lindbergh(1927) Amelia Earhart(1928, 1932) 뼭 Ⱦܺ൵ Ϳ.
(lift), (drag), (thrust) ˾ҳ.
ƼƼ (paper airplanes) ̰ .
̺⸦ ,,, äϳ ð ̰ ҰǾ ־.
dz(indoor)ð ǿ(outdoor)ð 缭, 찡 ˾ƺ ֱ.
ǿܿ , ¹ٶ (throw the plane into the breeze) ٶ Ÿ (throw the plane with the breeze) .
ְ 27.6(1998, Ken Blackburn in the Georgia Dome)±.
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2011 09 07 12:16:00 |
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