Fibre and Fabrics

1. Lesson plan
science

3. Chapter-9 Clothes Our Basic
Need
 Types of clothes
Clothes according to activities and Occasions.
Clothes according to Seasons and Weather.
 How are clothes made
 Types of fibres.
Natural fibres ( features of natural fibres)
Artificial fibres ( features of artificial fibres)
Caring for clothes.

4. Need of Clothes
 To protect our body from HEAT

5. To protect From COLD

6. To protect From RAIN

8. Clothes According to Seasons and
Weather
 Summer:- Light Cotton Clothes help us to stay cool
and comfortable.

9. Clothes According to Seasons and
Weather
 Winter:- Woollen clothes protect the body from the
cold in winter by keeping us warm.

10. How are clothes made?
 Early human beings wore clothes made of leaves and
branches of trees.
 Today, cloth is made by weaving different material
or fibres.

11. Types of fibres
NATURAL FIBRES
FROM PLANTS
1. COTTON
2. JUTE
3. LINEN
FROM
ANIMALS
1. WOOL
2. SILK

12.  What are clothes made of ?
 Why natural fibres are called so? Give examples of
natural fibres.
 Give examples of natural fibres obtained from plants.
 Give examples of natural fibres obtained from
animals.

13. Features of some natural fibres
Cotton is cool to wear.

14. Features of some natural fibres
 Linen is fresh and cool to wear, good absorbent
but dries quickly; durable (long lasting) but
creases( wrinkles) easily.

15. Silk
Silk is warm to wear; beautiful
shine; needs to be dry-
cleaned.

16. Features of some natural fibres
Wool is warm to wear; can shrink;
needs to be dry-cleaned.

17. Features of some natural fibres

18. ARTIFICIAL OR SYNTHETIC FIBRE
FIBRES WHICH ARE MADE IN THE
FACTORIES .
1. NYLON
2. POLYSTER
3. RAYON

19. NYLON
Warm to wear.
Repels rain (does not get wet)
Durable ( long lasting).

20. polyster
Non-absorbent ( does not absorb
water)
Dries quickly.
Does not crease.
Easy to care.

21. Caring for clothes
 Wash and iron clothes regularly.
 Dry properly.
 Change the sweaty and soiled clothes to wear
something clean.
 Wash woolen and silk clothes delicately ( with care)
with gentle soap.
 A torn dress should be mended.
 Dry neem leaves and moth balls keep insects away.