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Question
Shopkeepers selling ice blocks usually cover them with jute sacks. Explain why.
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Solution
Shopkeepers selling ice blocks usually cover them with jute sacks because jute sack is an insulating material so it prevents ice from melting at a faster rate.
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RELATED QUESTIONS
Fill in the blank:
The thermometer used to measure the human body temperature is called the ........... thermometer.
What does the temperature measure?
Name the instrument used for measuring the temperature of a person. Draw its labelled neat diagram.
Answer the following in a word or two or in a sentence.
At what temperature is the upper fixed point of a clinical thermometer kept?
Answer the following in short.
Why is there a slight bend in the capillary tube of a clinical thermometer near the bulb?
Answer the following in detail.
What do you understand by the term temperature?
Which of the following temperature conversions is incorrect
K ( Kelvin) = °C ( Celsius) + 273.15
Doctor uses ______ thermometer to measure the human body temperature.
Go to a doctor or your nearest health centre. Observe the doctor taking the temperature of patients. Enquire:
- Why she dips the thermometer in a liquid before use.
- Why the thermometer is kept under the tongue.
- Whether the body temperature can be measured by keeping the thermometer at some place other than the mouth.
- Whether the temperature of different parts of the body is the same or different.
You can add more questions which come to your mind.
Go to a veterinary doctor (a doctor who treats animals). Discuss and find out the normal temperature of domestic animals and birds.
