NCERT Solutions For Class 6 Science Chapter – 3

NCERT Solutions For Class 6 Science Chapter – 3

 

Q1. Classify the following fibers as natural or synthetic: nylon,wool,cotton,silk,polyester,jute.

Answer:-

 

Natural fibers: wool,cotton,jute,silk.

Synthetic fibers: nylon,polyester.

 

Q2. State whether following statements are ‘true’ or ‘false’.

  • Yam is made from fibers.
  • Spinning is a process of making fibers.
  • Jute is the outer covering of coconut.
  • The process of removing seeds from cotton is called ginning.
  • Silk fiber is obtained from the stem of a plant.
  • Polyester is a natural fiber.

Answer:-

 

  • True
  • False
  • False
  • True
  • True
  • False
  • False

 

Q3. Fill n the blanks:

  • Plant fibers are obtained from _____ and ______.
  • Animal fibers are ______ and ______.

Answer:-

 

  • Cotton plants, jute plants
  • Wool , Silk

 

Q4. From which part of the plant cotton and ute are obtained?

Answer:-

 

(

i) Cotton – Cotton balls ( from the surface of cotton seeds)(fruit)

( ii) Jute – stem.

 

Q5. Name two items that are made from coconut fiber.

Answer:-

 

( I) Ropes

(ii) Mats

 

Q6. Explain the process of making yam from fiber.

Answer:-

Yams are made up of thin strands called fibers. The process of making yam from fibers is called spinning. In this process , a mass of cotton wool are drawn out and twisted. This brings the fibers together to form yarn.

 

 

 

 

 

 

 

NCERT Solutions For Class 6 Science Chapter – 3   Q1. Classify the following fibers as natural or synthetic: nylon,wool,cotton,silk,polyester,jute. Answer:-…