Airspeed - How to

MATERIALS NEEDED

small funnel

ping pong ball

movie
Click for QT movie. (145K)
Click for QT movie. (50K)

STEPS TO FOLLOW:

one Turn the funnel upside down. Pick up the funnel.

two Put the ping pong ball in the funnel and hold it with your finger.

three Start blowing into the narrow end of the funnel. Blow hard into the funnel.

four Take your finger off the ball as you keep blowing into the funnel.

four Ask: What happens ?

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Last modified: Thu Mar 5 16:53:47 PST 1998