Compare the rate of temperature change and the final temperature of the wrapped

Question

Compare the rate of temperature change and the final temperature of the wrapped and unwrapped thermometers. Explain these differences and the factors that influenced the temperature change. When exercising or working in the cold, one concern is overheating and sweating followed by hypothermia after the activity stops. One common recommendation is to wear clothing that wicks water away from the skin. How is this beneficial for avoiding hypothermia? Explain why something that insulates is considered a poor conductor of heat.

Explanation / Answer

3. The rate of temparature change of the wrapped thermometer would be much slower as compared to the unwrapped one.Suppose initially we kept both the thermometers at room temparature (RT) and then transferred the thermometers outdoors in the cold[say initially both were at 35 degree centigrade].We will find the unwrapped thermometer will show a reading of low temparature as compared to the RT[say 25 degree centigrade].But the wrapped one will show a much slower decrease in temparature[say 30 degree centigrade] as compared to the unwrapped one.
This is because the bulb of the wrapped thermometer is not comong in direct contact with the cold environment outdoors and the wrapping material is acting as an insulator allowing heat to escape slowly.So the reading is not accurate as compared to the unwrapped one.
Factors influencing temparature change:

4. Clothing that wicks water away from skin is beneficial to avoid hypothermia because it prevents the body heat from escaping and keeps the body warm.The surface being affected by evaporation is the skin and clothing prevents escape of heat from skin thereby keeping the body warm.The clothes act as an insulator.

5. An insulator is such a material that does not allow any form of energy like heat,light,electricity to pass through it.As a result of this they cannot conduct heat and becomes a poor conductor.The insulators have very few free electrons that can carry heat energy through a solid.

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