WHY? With the curved shape of a wing, the air flowing over the wing is thinner. The air flowing under the wing is thicker. Therefore, the force of the thicker air allows the object to attain flight. ASSESSMENT: Can the student communicate what they observed?

Student is able to communicate that the air flow over the top of the curved wing surface is faster and the air flow below the wing is slower thus producing differences in pressure that cause wlift. Student is able to communicate that the air flow over the wing is different on the top and the bottom and that this difference, provides the lift for the object. Student is able to communicate that the air flow over the top and bottom of the wing is different. Student is only able to communicate the air lifts the wing.

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Last modified: Sun Aug 10 18:00:59 PDT 1997

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