Question

THE GATE WAY TO FUTU R E E D UC AT IO N

WORKSHEET :: F.A.II- 2020-21

VIII - CLASS :: SOCIAL STUDIES

Time: 1hr. Marks : 25

I. Answer the following questions. Each bit carries ½ mark. 6 x ½ = 3

1. Some gases like ............. prevent the radiation of heat from the earth. [ ]

A) Oxygen B) Carbon dioxide C) Nitrogen D) Helium

2. Amount of insolation reflected by clouds in the total insolation(100%) .......... [ ]

A) 6% B) 51% C) 20% D) 16%

3. The solar radiation received on the surface of the Earth is called .............. [ ]

A) Solar radiation B) Insolation C) UV rays D) “X” rays

4. What does the below diagram represents ? [ ]

A) Insolation

B) Angle of Incidence

C) Solar radiatiion

D) Terrestrial radiation

5. Places near the sea experience ................. this climate. [ ]

A) warmer climate B) cold climate C) desert climate D) moderate climate

6. At Vostok station in the Antarctica the temperature fell to ______in July 1983. [ ]

A) -890 C B) -900 C C) -910 C D) -920 C

II. Answer the following questions. Each question carries 1 mark. 4 x 1 = 4

7. Define insolation.

8. What is meant by heat balance.

9. What is Global warming ?

10. How many degrees difference is there between – 5°C and 5 ºC ?

III. Answer the following. Each question carries 2 marks. 4 x 2 = 8

11. What are the factors, those influence the horizontal distribution of the temperature on the earth ?

12. What is the difference between Insolation and terrestrial radiation ?

13. What do you mean by variation of temperature ?

14. Arrange the following temperatures from the highest to the lowest.

18° C, – 16° C, 0° C, –18°C, 20° C, 25° C

IV. Answer the following. Each question carries 5 marks. 2 x 5 = 10

15. a) Look at the graph of Minimum, Maximum temperature and answer the questions

below : (TQ. AS.3)

a) What is the average highest temperature in July ?

b) How warm does it usually get in December ?

c) How cool does it usually get in June ?

d) Is there a bigger difference between night and day temperature in May or in August ?

e) When is summer ?

(OR)


b) Observe the given map

1. What is the maximum temperature in Ananthapuram in summer ?

2. What is the average annual temperature in Visakhapatnam ?

3. What is the highest temperature in Mumbai during summer ?

4. What is the lowest temperature in Delhi during winter ?

5. Which states in India has recorded the highest and lowest annual temperatures ?

16. a) Give three possible explanations for the differences between the average temperatures in

Thiruvananthapuram and Shimla in January.

(OR)

b) Have you been to places that have different climate than where you live ?​

Answer 1

Answer:

you can do Google instead..

Explanation:

thanks!