science project

From: Teababynine@aol.com
Date: Sun Mar 09 2003 - 08:24:43 PST

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I am having trouble helping my 4th grader understand exactly what the
Bernoulli's principle is. How can I explain it so she can understand and
how can I explain the hair dryer with a ping pong concept. Please help time
is running out. Thanks

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