The Class 6 is an important year in a student’s life and Science is one of the subjects that require dedication, hard work, and practice. It’s a subject where you can score well if you are well-versed with the concepts, remember the important formulas and solving methods, and have done an ample amount of practice. Worry not! Home Revise is here to make your Class 6 journey even easier. It’s essential for students to have the right study material and notes to prepare for their board examinations, and through Home Revise, you can cover all the fundamental topics in the subject and the complete NCERT Class 6 Science Book syllabus.
Exercise Questions
1. Classify the following fibers as natural or synthetic:
nylon, wool, cotton, silk, polyester, jute
Solution:
Natural: Wool, Cotton, Silk, Jute
Synthetic: Nylon, Polyester
2. State whether the following statements are true or false:
a) Yarn is made from fibres.
b) Spinning is a process of making fibres.
c) Jute is the outer covering of coconut.
d) The process of removing seed from cotton is called ginning.
e) The weaving of yarn makes a piece of fabric.
f) The silk fibre is obtained from the stem of a plant.
g) Polyester is a natural fibre.
Solution:
a) True
b) False
c) False
d) True
e) True
f) False
g) False
3. Fill in the blanks:
a) Plant fibres are obtained from_________ and ________ .
b) Animals fibres are __________ and ___________ .
Solution:
a) Plant fibres are obtained from cotton and jute .
b) Animal fibres are silk and wool .
4. From which parts of the plant cotton and jute are obtained?
Solution:
Cotton is obtained from the fruits of the cotton plant, and Jute is obtained from the stem of the jute plant.
5. Name two items that are made from coconut fiber.
Solution:
Gunny bags, Ropes and Mats.
6. Explain the process of making yarn from fiber.
Solution:
Yarn can be made from fibre by a process called spinning. From the mass of cotton, fibres are drawn and twisted, which brings together the fibres to form a yarn. Takli and Charkha are the devices used for spinning.