5.2 Environmental Issues Flashcards Preview

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Flashcards in 5.2 Environmental Issues Deck (22)
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1
Q

What are hard disks made out of?

A

Aluminium
Steel
Fibreglass
Plastic

2
Q

What are gaming controllers made out of?

A

Plasric
Rubber
Lithium

3
Q

What are usb cables made out of?

A

Copper

Plastic

4
Q

What are CPU’s made out of?

A

Fibreglass
Aluminium
Gold

5
Q

What are heat sinks made out of?

A

Aluminium

6
Q

What are RAM’s made out of?

A

Fibreglass

Gold

7
Q

List all the components on a motherboard

A
Power connector
Northbridge
Southbridge
RAM slots
PCI Express slots
PS/2 slots
VGA/HDMI
Network socket
NVME
SATA
8
Q

Give the lifecycle of a smartphone

A
Mining for raw material
Manufacture
Purchase and Use
Recycling centre
Reprocessing plant
9
Q

What environmental damage doesna phone’s life cycle cause?

A

Contamination and erosion directly caused by digging machines
Un-recycled plastic from phones damage environment
Gas and coal are needed to power factories for electricity for batteries and machinery

10
Q

Give some non renewable materials

A
Plastic
Steel
Gold
Aluminium
Fibreglass
Diesel
11
Q

Give some renewable resoueces

A

Water

Trees

12
Q

What problems can lithium batteries cause when recycling?

A

They can catch fire and be hard to recover

13
Q

Why is sealing batteries into devices a problem for the environment?

A

Batteries degrade over time and this means they can’t be replaced easily decreasing the performance of the phone causing people to buy new phones discarding their old phones.

14
Q

How much waste in the UK is thrown each year?

A

1.6 million tonnes

15
Q

What is the percentage of electronics thrown away that are still working or have minor issues?

A

23

16
Q

How much gold does each mobile phone contain?

A

24mg

17
Q

Worldwide throwaway for gold silver and steel

A

300 tons of gold (9 billion quid)
1000 tons of silver (400 million quid)
16 million tons of steel (6.5 billion)

18
Q

What is fairphone?

A

A modular phone design which is designed so that the user can replace the parts inside it

19
Q

What are the benefits of fairphone?

A

Phone lasts longer and creates less waste

20
Q

What are some changeable parts of fairphones?

A

Battery, vibration mechanism, rear camera

21
Q

Give some impacts of e-waste on the environment

A

Very harmful to humans and the environment if not processed correctly
Lithium batteries can catch fire and may be hard to recover
If components cost too much to recover they go to landfill
Mining materials damages the environment

22
Q

Give some ways to reduce the impact of e-waste?

A

Make devices that can be fixed with modular components
Use removable batteries
Use modern recycling facilities