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Teachers may go directly to the Teachers' Guide from the For Teachers button above or site browse as in (1) and (2).
Take the strip of paper. Grasp one end
of the paper and set it against your chin, just below
your mouth. Hold it in place with your thumb and blow
over the top of the strip. The paper rises. Try the same
thing after you have fastened a paper clip on the end of
the strip. See how many paperclips you can lift in this
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Updated: March 12, 2004