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Causal Patterns in Air Pressure Phenomena Section 1: Non-obvious Causes
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Lesson 1: Air Pressure is Non-obvious but Causes Effects
This lesson draws students' attention to the non-obvious nature of air pressure by having students grapple with the historical puzzle, "Why could pumps only pull water out of mines from a depth of 32 feet or less in the 1500s?"
Lesson 1 Table of Contents
©2003, President and Fellows of Harvard College, Understandings of Consequence Project