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Synthetic Fibres

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Slide 1: Slide
ScienSecondary Education

This lesson contains 20 slides, with interactive quizzes and text slides.

time-iconLesson duration is: 1 min

Items in this lesson

Slide 1 - Slide

Slide 2 - Slide

Think Pair Share
What do you think about the material used to
make your PE uniform? Why is this material used?

timer
0:30

Slide 3 - Open question

LO: Compare and contrast between natural and synthetic fibres.
Analyse the properties of synthetic fibres and relate it to their use.
Team Synergy : Building Collaboration and Creativity
Activity 1- Hands on activity : To compare and contrast different fibres in terms of tensile strength, permeability and absorbency.
Activity 2: The Journey from Farm to Closet
Imagine you're in charge of designing a new line of clothing for a fashion company. Your task is to choose the best fibres for your clothing items. Prepare a short presentation to share your fibre selection along with the point for justification.
Activity 3: LEGO Synthetic Fibre Factory
Design and build a LEGO factory that represents the process of manufacturing synthetic fibres which include different stations or stages in the process, such as polymerization, spinning, drawing, and weaving.



timer
1:00

Slide 4 - Slide

Nylon, a synthetic fiber, is known for its tensile strength. How does it compare to cotton in terms of tensile strength?
A
Nylon has lower tensile strength than cotton
B
Nylon has similar tensile strength to cotton
C
Nylon has higher tensile strength than cotton
D
Nylon has no tensile strength

Slide 5 - Quiz

Compared to natural fibers, synthetic fibers generally have:
A
Higher absorbency
B
Lower absorbency
C
The same level of absorbency
D
Variable absorbency

Slide 6 - Quiz

Which of the following groups contain only synthetic fibres?
A
Nylon, Terylene, Wool
B
Cotton, Polycot, Rayon
C
Acrylic, Silk, Wool
D
Polyester, Polythene, Acrylic

Slide 7 - Quiz

Prepare a short presentation to share Your fibre selection along with the point for justification.

Slide 8 - Open question

LEGO Synthetic Fibre Factory with different stations or stages in the process .

Slide 9 - Open question

timer
1:00
Characteristics of synthetic fibres
They have high tensile strength 
 They are biodegradable
They do not wrinkle easily 
Higher absorbency
They easily regain their orginal shape
Less expensive and readily available
Easily stretched and durable

Slide 10 - Drag question

Uses of synthetic fibres

Slide 11 - Mind map

Which of the following is used for making ropes for mountain climbing and parachutes?
A
Cotton
B
Jute
C
Silk
D
Nylon

Slide 12 - Quiz

Assertion: Acrylic fibres are used in making socks, lining for boots, gloves and shawls.

Reason: Acrylic fibres are often used as a substitute for woolen fibres.
A
Both assertion and reason are true and the reason is the correct explanation of assertion.
B
Both assertion and reason are true but the reason is not correct for the assertion.
C
The assertion is true but the reason is false.
D
The assertion is false but the reason is true.

Slide 13 - Quiz

What is the process called in which monomers are joined together to form polymers?
A
Polymer bonding
B
Cross-linking
C
Polymerisation
D
Polymer synthesis

Slide 14 - Quiz

Polyester clothes should be avoided in the kitchen. Give reason

Slide 15 - Open question

Slide 16 - Slide

Slide 17 - Slide

Slide 18 - Slide

Think Pair Share
What do you think about the material used to make your PE uniform? Why is this material used?

Slide 19 - Open question

Which type of fiber generally has higher tensile strength?
A
Cotton
B
Polyester
C
Wool
D
Silk

Slide 20 - Quiz

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