Lath and Newspaper

Newspaper covers half a piece of lath

Concept Overview:

1. A demonstration of the pressure exerted by the atmosphere.

Lecturer Procedure

Step(s) to Follow	Expected Result
1. Place the lath such that about half of it extends out from the lecture bench. 2. Cover the portion of the lath still on the bench with the newspaper. 3. Strike the free end of the board sharply.	The lath will break cleanly

Step(s) to Follow

Expected Result

1. Place the lath such that about half of it extends out from the lecture bench.

2. Cover the portion of the lath still on the bench with the newspaper.

3. Strike the free end of the board sharply.

The lath will break cleanly

Broken lath

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