

fibre to fabric
Presentation
•
Science
•
7th Grade
•
Hard
Srikar Reddy
Used 2+ times
FREE Resource
7 Slides • 2 Questions
1
process of wool
By-srikar reddy

2
Fill in the Blanks
Type answer...
3
Poll
What is the process of taking out silk threads from the cocoon called?
In special machines
Reeling the silk
4
shearing
The fleece of the sheep along with a thin layer of skin is removed from its body This process is called shearing. Machines similar to those used by barbers are used to shave off hair. Usually, hair are removed during the hot weather. This enables sheep to survive without their protective coat of hair. The hair provide woollen fibres. Woollen fibres are then processed to obtain woollen yarn. Shearing does not hurt the sheep just as it does not hurt when you get a haircut or your father shaves his beard. Generally wool is removed in summer season.
5
Scouring
The sheared skin with hair is thoroughly washed in tanks to remove grease, dust and dirt. This is called scouring. Nowadays scouring is done by machines
6
sorting
After scouring, sorting is done. The hairy skin is sent to a factory where hair of different textures are separated or sorted.
7
Clening of burrs
The small fluffy fibres, called burrs, are picked out from the hair. These are the same burrs which sometimes appear on your sweaters. The fibres are scoured again and dried. This is the wool ready to be drawn into fibres.
8
Dyeing
The fibres can be dyed in various colours, as the natural fleece of sheep and goats is black, brown or white
9
Rolling
The fibres are straightened, combed and rolled into yarn The longer fibres are made into wool for sweaters and the shorter fibres are spun and woven into woollen cloth.
process of wool
By-srikar reddy

Show answer
Auto Play
Slide 1 / 9
SLIDE
Similar Resources on Wayground
10 questions
7.8C Impact of Human Activity on Watersheds
Presentation
•
7th Grade
6 questions
Ecosystems - Competiton
Presentation
•
6th Grade
8 questions
Aquatic Biomes
Presentation
•
7th Grade
7 questions
Poetry Review
Presentation
•
7th Grade
6 questions
Responses to Internal and External Stimuli
Presentation
•
7th Grade
9 questions
Let's Farm Some Shrimp!
Presentation
•
7th Grade
9 questions
soil
Presentation
•
7th Grade
3 questions
Biological IPM 9.2.5
Presentation
•
7th Grade
Popular Resources on Wayground
19 questions
Naming Polygons
Quiz
•
3rd Grade
10 questions
Prime Factorization
Quiz
•
6th Grade
20 questions
Math Review
Quiz
•
3rd Grade
15 questions
Fast food
Quiz
•
7th Grade
20 questions
Main Idea and Details
Quiz
•
5th Grade
20 questions
Context Clues
Quiz
•
6th Grade
20 questions
Inferences
Quiz
•
4th Grade
19 questions
Classifying Quadrilaterals
Quiz
•
3rd Grade
Discover more resources for Science
16 questions
Interactions within Ecosystems
Presentation
•
6th - 8th Grade
20 questions
Moon Phases and Eclipses
Quiz
•
6th - 8th Grade
16 questions
Photosynthesis and Cellular Respiration Review
Quiz
•
7th Grade
22 questions
6th & 8th Grade Science Material SOL Review
Quiz
•
6th - 8th Grade
20 questions
genetics, punnett squares, heredity
Quiz
•
7th Grade
17 questions
Human body systems
Quiz
•
7th Grade
20 questions
Food Webs + Energy Pyramids
Quiz
•
7th Grade
20 questions
Evolution and Natural Selection
Quiz
•
7th Grade