Thursday, August 2, 2018

Science Std IV Chapter 9

Chapter 9
More about Clothes

A. Fill in the blanks.
1. Synthetic fibres do not absorb ________________ as they are _________________.
2. _______________ and _______________ wear white clothes.
3. Our clothes form a protective layer between _________________ and our body.
4. The traditional dress of _______________ consists of mundu and _______________.
5. A raincoat is made of ________________ material, thereby protecting us from rain.
6. Keeping mothballs or dried neem leaves in woollen clothes keep insects like
    _________________ and _________________ away.

B. Answer the following questions.
1. What is the need to wear clothes?
2. What are synthetic fibres? Give examples.
3. How is natural fibre different from synthetic fibre?
4. Write a note on 'clothes and culture'.
5. How can we take care of our clothes?
6. Why do people prefer wearing cotton clothes during summer?

C. Match the following.
          Column A                              Column B
1. Flax                                    (a) Jammu and Kashmir
2. Phiran                                 (b) Synthetic fibre
3. Rayon                                 (c) Korea
4. Hanbok                               (d) Plant fibre

D. State whether the following statements are true or false.
1. Synthetic fibres are obtained from nature.
2. Cloth is made from fibres.
3. Our clothes do not protect us from insect bites.
4. Clothes should be washed properly with a good quality detergent.
5. Kimono is the national dress of Korea.
6. Many fabrics when twisted together make yarn.
7. Flax and hemp are animal fibres.
8. Coloured clothes should be dried in shade.
9. Synthetic fibres are man-made fibres.
10. Natural fibres are water-proof fibres.

E. Tick the correct answer.
1. Which of these fibres is obtained from plants?
    (a) Lycra      (b) Silk         (c) Hemp
2. Which of these is the traditional dress of Korea?
    (a) Hanbok     (b) Kimono     (c) Phiran
3. Which of these does not absorb sweat?
    (a) Cotton      (b) Lycra     (c) Wool
4. Which of these clothes are very delicate?
    (a) Cotton clothes  (b) Nylon clothes   (c) Silk Clothes
5. Our clothes protect us from
    (a) dust     (b) insect bites    (c) dust and insect bites.
6. Which of these is the traditional dress of Jammu and Kashmir?
    (a) Kimono     (b) Sari    (c) Hanbok    (d) Phiran

F. Unscramble the given words.
1. EJTU     2. CALRY     3. OTCNOT     4. NAYRO    5. LOWOELN   6. MEHP

G. Complete the following web charts.
1. 




















2. 






















H. Define
1. Natural fibres     2. Synthetic fibres    3. Waterproof material

I. Give reason
1. People prefer wearing cotton clothes during summer.
2. We should not wear synthetic clothes while working in kitchen.

J. Answer in one word.

1. National dress of women of India.
2. Dress made up of waterproof material worn in rainy season.

I. Give two examples of each.
1. Types of fibres.

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