Does a fan really cool the air?
A fan does/does not cool the air.
- On a hot day, place a portable fan on a table. Use a thermometer to record the temperature in the room.
- Turn the fan on and hold the thermometer three feet from it so that theair blows on the thermometer. After one minute, record the temperature.
- Hold the thermometer two feet from the fan, then one foot. Record the temperature.
Analysis and Conclusion:
Does a fan actually cool the air? Why does the air feel cooler?
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