20 mark section

Question 1

what are smart materials

Answer 1

materials which have 1 or more properties and can be changed by external forces, and often reversible when environment changes again

Question 2

what can influence a change in smart materials

Answer 2

• stress
• temperature
• moisture
• pH

Question 3

what are technical textiles

Answer 3

fabrics which are developed with a primary reason of focus and use rather than aesthetic

Question 4

what are the main uses of technical textiles

Answer 4

• medical technical textiles
• agriculture + horticulture
• waterproofing + breathability
• protective functions
• communication
• architectural
• high performance

Question 5

examples of technical/ modern textiles

Answer 5

• kevlar
• reflective textiles
• wicking fibres
• microfibres
• fabrics which protect against bacteria
• microencapsulated fibres
• fabrics with electronics
• geo textiles
• materials using nano technology
• medial fabrics

Question 6

what is kevlar

Answer 6

kevlar fibres are woven to create strong net like fabric which are resistant to knife attacks and can resist bullets. it can be treated to make them more flexible/ comfortable

Question 7

4 types of movement

Answer 7

• linear
• reciprocating
• rotary
• oscillating

Question 8

linear motion

Answer 8

movement in a straight line

Question 9

reciprocating motion

Answer 9

back and forth in a straight line

Question 10

rotary motion

Answer 10

around in a circle

Question 11

oscillating motion

Answer 11

swinging side to side (like a pendulum)

Question 12

what is crowd funding

Answer 12

using the internet to get people to contribute money towards a project

Question 13

virtual marketing

Answer 13

using social networks and websites to advertise/ bring awareness to a brand or product. increases messages visibility and effect

Question 14

retail marketing

Answer 14

when shoppers can look at a product before buying it online usually for a lower price (showrooming..)

Question 15

how are retailers looking to advance retail marketing

Answer 15

using new technologies to develop virtual reality showrooms

Question 16

what are co-operatives

Answer 16

a business owned an managed by its workers.

Question 17

what do workers in a co-operative do

Answer 17

• work in the business
• govern it
• manage it
• set productions schedules
• determine working conditions

Question 18

what do tech co-operatives do

Answer 18

provide technical support and consulting to other companies with communications and computer technology goods/ services

Question 19

what are non- renewable energy sources

Answer 19

energy sources which will eventually run out. (eg fossil fuels)

Question 20

how are fossil fuels formed

Answer 20

from the remains of dead organisms over a long period of time

Question 21

examples of fossil fuels

Answer 21

• coal
• oil and gas

Question 22

coal

Answer 22

formed over 300 million years ago from dead and decayed plants covered in sediment which is compressed and heated.

Question 23

oil and gas

Answer 23

• remains of animals and plants that lived millions of years ago under the sea and got covered in sand/ slit.
• heat and pressure from earths core turned them into oil and gas
• oil and gas trapped between layers of impermeable rock

Question 24

advantages of fossil fuels

Answer 24

• reliable
• enough to meet current demand
• generate large amounts of energy cheaply
• more reserves can be accessed as technology is developing
• finding locations is easy
• oil and gas can be transported long distances through pipelines
• methods to extract fossil fuels already exist

Question 25

disadvantages of fossil fuels

Answer 25

• eventually run out, estimated 100 years
• release co2 when burnt
• pollution, greenhouse effect, global warming
• mining is dangerous, ruins landscape
• oils spills cause large environmental damage
• oil mainly produced outside UK so expensive