Effect of extreme temperature on battery life
It is observed that the maximum operation time of the batteries become shorter as the temperature falls. At a temperature of -78°C, the batteries only lasted a few minutes.
|Battery||Time taken for the fan to stop (minutes)|
Proper precautions must be taken when handling dry ice.
1. Avoid direct contact with skin or eyes. Wear a lab coat, goggles and thick gloves.
2. Do not store dry ice in air tight containers.
3. Perform experiment in a well ventilated area.