CBSE Class 7 Science Heat Worksheet Set A

Questions

            Very Short Answer

Q1)      How do we find out how hot or cold an object is?

Q2)      What is clinical thermometer?

Q3)      What is the range of the laboratory temperature?

Q4)      What is thermometer?

Q5)      How woollen clothes keep us warm in winter?

           

            Short Answer

Q6)      What do you mean by the maximum minimum temperature?

Q7)      Why do darker colours absorb more heat than lighter colours?

Q8)      Why containers are with white and black surface?

Q9)      What is the use of the kink in the thermometer?

Q10)    How can we lift a hot pan by holding it form the handle without getting hurt?

           

            Long Answer

Q11)    State the difference between clinical thermometer and laboratory thermometer?

Q12)    How conductors are different from insulators?

Q13)    What are the precautions to be observed while using a clinical thermometer?

Q14)    Distinguish between sea breeze and land breeze?

Q15)    Difference between convection and radiation?



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