Exploration
When it is cold outside, it is often thought that fans aren’t needed. However, it may be that a fan can bring warm air near the ceiling down to floor level, increasing comfort without raising the thermostat. Energy could therefore be saved.
Objective
In this experiment, students will:
1) Determine how a ceiling fan affects the temperature in a room, both near the floor and near the ceiling.
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![Ceiling fan in winter diagram](/sites/default/files/2017-06/Screen%20Shot%202016-09-19%20at%204.49.43%20PM.png)
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