Materials Technology

Question 1

What are the three jobs of a passive speaker?

Answer 1

To hold your phone
Direct sound down a small channel
Send the sound into a big opening that broadcasts outwards

Question 2

What is a passive speaker? + what features does it have? (3)

Answer 2

A passive amplifier is a device which makes sound more directional with the help of a bell shape
Works like a megaphone, designed to transmit into the air as much energy as possible
A bell shape is used to reflect the sound waves in one direction
The wider the bell shape, the better you can hear the sound

Question 3

What does enviromental impacts on society mean?

Answer 3

Environmental focuses on preserving and restoring the natural resources and ecosystems

Question 4

What does social impacts on society mean?

Answer 4

Social focuses on addressing social justice, equity and the well-being of communities

Question 5

What are the key enviromental impacts? (3)

Answer 5

Landfll - pollution, habitat destruction, greenhouse gases
Pollution - air pollution, human health, eco system
Deforestation - loss of biodiversity

Question 6

What is the product life cycle?

Answer 6

raw material, extraction, manufactoring, distrubution, in use, disposal

Question 7

What does raw material and extraction contribute to?

Answer 7

depletion of natural recources, energy consumptions, water usage

Question 8

What does manufactoring contribute to?

Answer 8

energy consumption, pollution, waste generation

Question 9

what does distrubution contribute to?

Answer 9

greenhouse gas emmisions, fuel consumption, packaging waste

Question 10

What does in use contribute to?

Answer 10

energy consumption, water usuage, chemicals

Question 11

What does disposal contribute to?

Answer 11

waste generation, toxicity

Question 12

What are positive social impacts?

Answer 12

makes life easier, connection and accessability, impact on heath and lifestyle

Question 13

What are negative social impacts?

Answer 13

Connection, impact on health and lifestule, pressure

Question 14

What is linear economy?

Answer 14

In a linear economy, once you’ve used something, it’s typically thrown away, and it becomes a waste. This means the resources that were used to make the phone are essentially “lost” after you’re done with it.

Question 15

What are the four stpes of linear economy?

Answer 15

Take: Resources are taken from the earth to make the phone. This includes
materials like metals, plastics, and minerals.
Make: The materials are processed and manufactured into a phone.
Use: You use the phone for a while, maybe a couple of years.
Dispose: Eventually, the phone breaks or you upgrade to a new one, so you throw it away.

Question 16

What is circular economy?

Answer 16

So, a circular economy is all about finding ways to use resources more efficiently, by reusing things, repairing them, or recycling them, rather than just using them once and throwing them away.