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Project title This experiment teaches you how to build your own homemade stethoscope and how to use it to measure a person's heartbeat
Difficulty Level Elementary school
Main link Click here to view all details of this science project (Cached)  (View 3rd party site)

Description
Over 170 years ago, a man named Laennec invented the first stethoscope. Before your class goes into the Institute's Giant Heart in the BioScience Exhibit stop and see it. It is a wooden tube about 1 inch in diameter and about 10 inches long. This experiment teaches you how to build your own homemade stethoscope and how to use it. 

Materials
This idea is contained in a third-party website. To view the science fair projects, please click on the link above. Copyright in the third party website belongs to the relevant author. 

Brief Instructions
[Please see third-party website for instructions]
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