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Year 10 Fibres and Fabrics

Textiles Technology 6 lesson unit
by

Joanna Walford

on 25 August 2014

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Transcript of Year 10 Fibres and Fabrics

Fibre Types
Natural Fibres
Come from animals and plants
Man-Made Fibres
These are man-made fibres made from
chemicals or plant matter
Animal Fibres
Fibres that come from animals
Plant Fibres
Fibres that come from plants
Wool
Learning objectives:
To learn where fibres come from.
To learn about 2 natural animal fibres (1.28)
Silk
Learning objectives:
To learn where fibres come from.
To learn about 2 natural animal fibres (1.28)
Other Animal Fibres
Angora

Cashmere

Spider silk
Cotton and Linen
Learning objectives:
To understand the properties of 2 different plant fibres (1.28)
How cotton and linen are made
Whilst you watch this video- think of and write down 1 question about the video for another team to answer.
Synthetic Fibres
Fibres made from chemicals
Regenerated Fibres
Fibres made from recycled plant matter
Learning Outcomes:
To evaluate 4 uses and properties of wool & silk. Grade A
To describe 3 uses and properties of wool & silk. Grade B
To give 2 uses and 2 properties of wool & silk. Grade C
Wool is the dense, warm coat of sheep, also called a
fleece.
The hair of sheep has many unique properties that make it well suited to textile production, something humans realized approximately 8000 BC.
Wool is a short staple fibre!
Properties of Wool

Warm
Absorbent
Low flammability
Good elasticity so creases drop out easily
Comfortable to wear
Repels raindrops (hydrophobic)
Bio-degradable and recyclable.
Uses:
Warm outer wear such as coats
Jumpers and cardigans
Blankets
Carpets
Fabric Names:
Lambswool
Merino
Superwash
Felt
Harris Tweed
Gaberdine
Spinning pulls the fibres tightly together and twists them so that
they retain a long yarn shape.
Yarn can be spun in all sorts of thicknesses and gauges.
It can now be knitted or woven into fabric.

Warm and insulating
Does not crease easily
Comfortable
Can be produced in a wide range of weights of fabric.
Can shrink & felt when washed
Takes a long time to dry as it is very absorbent
Some types can be itchy next to the skin
Advantages of wool:
Disadvantages of wool:
Q&A
Why would a merino wool be suitable for a baby’s blanket?

Give 1 advantage and 1 disadvantage of wool?

How could buying wool garments have a positive impact on the environment?
Fibres
and
Fabrics

Year 10
Task: Mini Product Analysis

Look at and examine this item and explain why it might be made from wool.
Learning Outcomes:
To evaluate 4 uses and properties of wool & silk. Grade A
To describe 3 uses and properties of wool & silk. Grade B
To give 2 uses and 2 properties of wool & silk. Grade C
How Silk is Made
Silk is a fibre from the cocoons made by silkworms (caterpillars).

Silk is said to have been used to clothe Chinese Emperors from
about 3000BC
Properties of Silk:

Absorbent
Soft and comfortable
Cool but also warm and insulating when worn in layers
Natural sheen and lustre
Strong when dry
Excellent drape
Creases drop out easily.
Uses:

Luxury clothing such as lingerie, evening and bridal wear.
Knitwear
Soft furnishings
Silk is a long filament
fibre
Advantages:
Soft, smooth and lustrous
Drapes well
Comfortable to wear next to the skin
Disadvantages:
Expensive
Can be weak when wet so it needs careful washing or dry cleaning.
May crease easily
Q&A
Name 2 properties of silk

Why would silk be used for an evening gown?

Give 1 advantage and 1 disadvantage of silk
Learning Outcomes:
To evaluate 4 uses and properties of cotton & linen. Grade A
To describe 3 uses and properties of cotton & linen. Grade B
To give 2 uses and 2 properties of cotton & linen. Grade C
Do Now Task
Why is your item made from cotton?
Reasons why on a post-itt please!
Beat the Scientist
Testing cotton and linen
Activity:
Using the true or false testing sheet- test your samples of cotton and linen and record the results.
True or False?
Linen is a stronger fibre than cotton.

Cotton is a very absorbent fibre.

Linen creases more than cotton.

Cotton takes a really long time to dry.

Cotton can shrink when washed.
Linen Properties
Cotton Properties
Affordable
Cool to wear- breathable
Creases fairly easily
Fairly easy to wash and launder (especially if pre-shrunk)
Very strong
Absorbent
Dyes well
Can dry quickly.
Recyclable
More expensive than cotton.
Extremely cool to wear
Creases very easily
Can be quite hard to launder/iron
Dyes well
Absorbent
Recyclable
Has a slight natural sheen- so can be used for smart business wear.
Which of these would be an advantage and
which would be a disadvantage?
Cotton
Is a natural plant fibre that comes from the cotton plant. It has been grown around the world for 7,000 years.
Linen
is a natural plant fibre that was first used and farmed by the Ancient Egyptians!
Cotton and linen are both short staple fibres
Cotton Uses:
T-shirts, nightwear,
underwear, jeans,
sportswear, work shirts,
bedding, summer dresses.
Linen Uses:
Formal jackets and blazers,
skirts, trousers, smart dresses,
bed-sheets, table cloths.
Plenary
Give 2 properties of cotton
Give 2 properties of linen



3 items cotton would be suitable for
3 items linen would be suitable for


Explain an advantage of cotton being used for a tennis player’s t-shirt.
Explain a disadvantage of linen being used for a smart workwear skirt
Cotton is a very suitable fibre for children’s nightwear and bedding, however give a potential hazard of these items being made of 100% cotton
Manufactured Synthetic Fibres- Polyester
Learning objectives:
To understand the properties of 2 different synthetic fibres (1.28)
Learning Outcomes:
To evaluate 4 uses and properties of polyester and acrylic. Grade A
To describe 3 uses and properties of polyester & acrylic. Grade B
To give 2 uses and 2 properties of polyester and acrylic. Grade C
DO NOW TASK
Catch the odd one out!

Which fibre is the odd one out and why?
What is polyester?
Polyester is a synthetic fibre made
from crude oil and coal.
Full transcript