CBSE Class 3 Social Science Worksheet Set G

The Earth our home

A. Hard words to learn:

• Representation
• Observation
• Direction
• Highlights
• Location
• Landscapes

B. Choose the correct answers:-

1. Which maps show states and national boundaries?
(a) Political
(b) Physical
(c) Road
Ans. (a)
 

2. To find directions, we use a__________
(a) Rain gauge
(b) Compass
(c) Thermometer
Ans. (b)
 

3. The Smallest ocean on the earth is the___________
(a) Atlantic
(b) Arctic
(c) Pacific
Ans. (b)
 

4. The largest continent on the Earth is__________
(a) North America
(b) South America
(c) Asia
Ans. (c)

C. Fill in the blanks with correct words:

1. The Earth is round in Shape.
2. An Atlas is a book of maps.
3. Most maps have north at their top.
4. Oceans cover about 71% per cent of the Earth's surface.

D. Write True or False:-

1. Political globes show countries.                                 True
2. A map is drawn on a flat surface.                              True
3. The needle of a compass always points the north.    True
4. The Earth has five continents and seven oceans.     False

E. Name the following:-

1. A small model of the Earth – Globe
2. A very large body of saliva water is called- Ocean
3. The ocean named after our country is- Indian Ocean
4. Name of the continent in which we live- Asia
5. The largest ocean on the Earth is- Pacific ocean
6. The smallest continent on the Earth is- Australia
7. Very large landmasses on the Earth are called- Continents

F. Ques/ Ans:-

Q1.Name the two common types of globes.
Ans. Two common types of globes are-
1. Political globes
2. Physical globes

Q2.What do political maps show?
Ans. Political maps show states and national boundaries.

Q3.What is a map? What are the main kinds of maps?
Ans. A map is a representation, usually on a flat surface of a whole or part of an area.
Main kinds of maps are-
1. Political map 2.Climate map 3.Road map 4.Sketch Map 5.Physical map

G. Mention all the continents and oceans on the earth:-
Continents                   Oceans
1. Asia                       1. Pacific ocean
2. Africa                     2.Atlantic ocean
3. North America        3.Indian ocean
4. South America        4.Arctic ocean
5. Antarctica
6. Europe
7. Australia

H. HOMEWORK: Draw a Globe and Colour it.

SOCIAL STUDIES

CLASS -IV

I . Choose the correct option –

1. The Indira Gandhi Canal starts from the river
a) Indus
b) Satluj
c) Ganga
d) Yamuna

2. The main languages spoken in Bihar are
a) Hindi
b) Urdu
c) Maithili
d) all the above

3. The Golden Temple is situated in the city of
a) Ludhiana
b) Jalandar
c) Amritsar
d) Hissar

4. On the basis of its physical features,India can be divided into these many regions
a) 4
b) 5
c) 6
d) 7

2. Write true and false for the following statements and rewrite the false ones correctly –

1. To the south of the Indian Peninsula lies the Arabian Sea.
2. The largest car manufacturing plant in the country is the Hyundai factory in Gurgaon in the state of Punjab.
3. The main languages spoken in Uttar Pradesh are Hindi and Urdu.
4. Tripura’s capital is Aizawl.

3. Complete the following sentences-

1. India is called the land of diverse landforms and cultures because___________.
2. The Northern Plains are very fertile due to _____________________________.

4. Define the following terms-

1. Basin
2. Physical Map

5 . Answer the following questions-

1. Why is fishing an important occupation of the people of West Bengal?
2. Which canal starts from River Satluj ?How is it helpful for the people of Rajasthan?

6. On an outline map of India mark and name the following states included in the Northern Plains
Tripura,Punjab,Jharkhand,Delhi

Question. A Loom is used for
(a) weaving
(b) Printing
(c) Knitting
(d) Embroidery
Answer: A

Question. Churidar – Kurta with angarakha is worn in
(a) Bengal
(b) Rajasthan
(c) Kerala
(d) Andhra Pradesh
Answer: B

Question. Turban is worn in Rajasthan and
(a) Assam
(b) Kashmir
(c) Punjab
(d) Bihar
Answer: C

Question. Textile are formed by
(a) Weaving
(b) Painting
(c) Printing
(d) Wearing
Answer: A

Question. The perrotine is a block-printing machine invented by Perrot of Rouen in
(a) 1854
(b) 1830
(c) 1834
(d) 1876
Answer: C

Question. Animal textiles are commonly made from
(a) Bones
(b) Hair or fur
(c) Skin
(d) Wax
Answer: B

Question. Silk is made from the fibres of the cocoon of the Chinese
(a) Silkworm
(b) Earthworm
(c) Goat
(d) Sheep
Answer: A

Question. Woodblock printing is probably originated in
(a) India
(b) China
(c) Japan
(d) U.S.A.
Answer: B

Question. The river deposited soil is called
(a) sand
(b) rock
(c) silt
(d) loam
Answer: C

Question. Which kind of soil is used for making pots and toys ?
(a) gravel
(b) clay
(c) sand
(d) parent rock
Answer: B

Question. Which is the bottom layer of the soil ?
(a) bed rock
(b) gravel
(c) bottom rock
(d) sand
Answer: A

Question. Which is the best soil for growing plants ?
(a) sand
(b) clay
(c) gravel
(d) loam
Answer: D

Question. Fertiliser is made of
(a) organic matter
(b) inorganic matter
(c) both a and b
(d) none
Answer: B

Question. What supply minerals to the soil?
(a) manure
(b) fertilisers
(c) chemicals
(d) both a and b
Answer: D

Question. Which is the uppermost layer of the earth's crust ?
(a) soil
(b) water
(c) mountains
(d) rocks
Answer: A

Question. A mixture of sand , silt and clay with humus is called
(a) clayey soil
(b) loamy soil
(c) silt
(d) sandy soil
Answer: B

Question. The naturally occuring inorganic substances are called
(a) minerals
(b) chemicals
(c) manure
(d) humus
Answer: A

Question. Which layer of the soil has maximum humus
(a) bed rock
(b) sub soil
(c) top soil
(d) both a and b
Answer: C

Question. Which is the basic source of energy on the earth
(a) moon
(b) sun
(c) earth
(d) planets
Answer: B

Question. Diarrhoea is caused by
(a) air pollution
(b) water pollution
(c) soil pollution
(d) noise pollution
Answer: B

Question. The harmful gases present in smoke are
(a) carbon monoxide
(b) carbon dioxide
(c) oxygen
(d) both a and b
Answer: D

Question. Which of the following is not a source of air pollution ?
(a) smoke from houses
(b) smoke from factories
(c) waste water release
(d) smoke from vehicles
Answer: C

Question. Which of the following absorbs sound?
(a) clouds
(b) plants
(c) animals
(d) both a and c
Answer: B

Question. A person who treats animals
(a) mason
(b) plumper
(c) veterinary doctor
(d) carpenter
Answer: C

A. New Words:- ( Write these words twice)
1. Nilgiri Hills
2. Mount Everest
3. Plains
4. Fertile
5. Coastal plain
6. Deccan Plateaus
7. Peninsula
8. Thar Desert
9. Andaman and Nicobar
10. Lakshadweep
11. Mahanadi

B. Define these terms:-
1. Landform- natural features such as hills, mountains, plains and deserts
2. Fertile- land on which plants grow well

C. Answer these questions:-

Q-1. What kind of climate will you find in the mountains and in the plains?
Ans- The mountains have a very cold climate. Most of the mountains covered with snow throughout the year.
In the plains summers are hot and winters are cold.

Q-2. What is the difference between a plain and a plateau?
Ans- Flat and level land is called a plain whereas plateau is a high land with steep sides and flat top.

Q.3- Why is the southern part of India called a peninsula?
Ans- The southern part of India is called a peninsula because it is surrounded by water on three sides.

Q.4- Why are there very few trees in deserts?
Ans- Deserts receive very little rainfall. That is why there are very few trees in deserts.

Q.5- What is the difference between hills and mountains?
Ans- A high land with a round top is called a hill whereas Very high hills with sharp tops are called mountains.