Class 7 > Fibre to fabric
Fibre to fabric - Class 7
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Page 1
INDIAN SCHOOL MUSCAT
MIDDLE SECTION
DEPARTMENT OF SCIENCE
Subject :Science Revision worksheet: 8
Topic :FIBRE TO FABRIC Class:7
Date of issue:06/10/2016
ANSWER THE FOLLOWING QUESTIONS
Q1) why do we wear woollens in winter?
Q2) What are the two types of fibers found in sheep’s hairy coat?
Q3) Why is wool of Merino sheep used for making finest woolen
clothes?
Q4) Name the different processes involved in wool production and
define each process.
Q5) Describe the steps involved in making Fleece to yarn.
Q6) What are the health hazards in the wool production?
Q7) In short describe the life cycle of the silk moth. Draw diagram
Q8) What is sericulture? Give the summary of the process of sericulture
Q9) How can we differentiate between natural silk and artificial silk?
( Note: Answer the following Questions from pgs 46 C ( 1-8 ) & 47
D ( 1 – 5 ) in your science note book )
Page 2
INDIAN SCHOOL MUSCAT
MIDDLE SECTION
DEPARTMENT OF SCIENCE
Subject :Science Revision worksheet: 8
Topic :FIBRE TO FABRIC Class:7
Date of issue:06/10/2016
ANSWER THE FOLLOWING QUESTIONS
Q1) why do we wear woollens in winter?
Q2) What are the two types of fibers found in sheep’s hairy coat?
Q3) Why is wool of Merino sheep used for making finest woolen
clothes?
Q4) Name the different processes involved in wool production and
define each process.
Q5) Describe the steps involved in making Fleece to yarn.
Q6) What are the health hazards in the wool production?
Q7) In short describe the life cycle of the silk moth. Draw diagram
Q8) What is sericulture? Give the summary of the process of sericulture
Q9) How can we differentiate between natural silk and artificial silk?
( Note: Answer the following Questions from pgs 46 C ( 1-8 ) & 47
D ( 1 – 5 ) in your science note book )
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FAQs on Fibre to fabric - Class 7 PDF Download
| 1. What is fibre to fabric? |  |
Ans. Fibre to fabric is the process of converting natural or synthetic fibres into fabric through various stages such as harvesting, cleaning, spinning, weaving, and dyeing.
| 2. What are natural fibres? | |
Ans. Natural fibres are fibres that are obtained from plants (like cotton, jute) or animals (like wool, silk) and do not involve any chemical processing. These fibres are biodegradable and environmentally friendly.
| 3. What are synthetic fibres? | |
Ans. Synthetic fibres are man-made fibres that are produced through chemical processes. They are derived from petrochemicals or other raw materials. Examples of synthetic fibres include polyester, nylon, and acrylic.
| 4. What is the process of spinning in fibre to fabric? | |
Ans. Spinning is the process of converting fibres into yarn. In this process, the fibres are drawn out, twisted, and wound onto a spindle or bobbin to form a continuous strand of yarn. This yarn is then used for weaving or knitting to make fabric.
| 5. How is fabric dyed in the fibre to fabric process? | |
Ans. Fabric dyeing is the process of adding color to the fabric. It can be done at different stages, such as dyeing the fibres before spinning or dyeing the fabric after it is woven. Dyes can be natural or synthetic, and they are applied using various techniques like immersion, printing, or painting.
Document Description: Fibre to fabric for Class 7 2023 is part of Class 7 preparation. The notes and questions for Fibre to fabric have been prepared according to the Class 7 exam syllabus. Information about Fibre to fabric covers topics like and Fibre to fabric Example, for Class 7 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Fibre to fabric.
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Additional Information about Fibre to fabric for Class 7 Preparation
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The content of Fibre to fabric is prepared as per the latest Class 7 syllabus.
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