HOW WILL YOU MAKE A STETHOSCOPE USING MATERIALS FOUND AROUND YOU?
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Steps
Cover the top of a funnel with a balloon. ...
Wrap electrical tape around the balloon to hold it in place, if needed. ...
Stick the end of the funnel into a piece of clear, flexible, plastic tubing. ...
Add a second, matching funnel to the other end, if desired. ...
Use the stethoscope in a quiet room.
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