Advertisements
Advertisements
Question
Shopkeepers selling ice blocks usually cover them with jute sacks. Explain why.
Advertisements
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.
APPEARS IN
RELATED QUESTIONS
Temperature is measured in degree ______.
A thermometer is graduated in ______.
Name the instrument used for measuring the temperature of a person. Draw its labelled neat diagram.
What is the normal temperature of the human body? How is it indicated in a clinical thermometer?
State if the following statement is true or false. Correct the statement if it is false.
Water is the most commonly used thermometric substance.
Answer the following in detail.
What do you understand by the term temperature?
Answer the following in detail.
Distinguish between laboratory and clinical thermometers.
Which of the following temperature conversions is incorrect
K ( Kelvin) = °C ( Celsius) + 273.15
At room temperature Mercury is in ______ state.
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.
