Question

1. Which of these is the poor conductor of heat ? (a) Zinc (c) Iron (b) Air (d) Brass
2. Sea and land breeze are actually ?
(a) zinc (b) air ( c) iron (d) brass
3. Our earth gets heat from :
(a) radiation (b) convection (c) conduction (d none
4. the liquid used in thermometer is .
a. water b.glass c. alcohol d. mercury

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Answer 1

Answer:

1- Air

2- iron

3- (a), (b), (c) are true

4- mercury

Answer 2

1 : Air

2 : Iron

3 : Radiation , Convection & conduction

4 : Mercury