Energy and the impact on designs | Design and technology

Starter quiz

Identify the negative effects of a renewable energy source.
- less carbon emissions than non-renewable
- high initial set up costs ✓
- often weather dependent ✓
- can be replenished easily
- require effective storage of energy ✓
In a power station, coal can be used to make electricity. Which statement is not true?
- Emissions are produced.
- Steam creates rotary motion in the turbines.
- Energy is transferred.
- The process has no negative environmental impacts. ✓
Match the definition to the keyword.
- non-renewable
  
  ⇔
  
  cannot be replaced when they are used up ✓
- renewable
  
  ⇔
  
  never run out and can be replenished naturally, such as wind and solar ✓
- carbon emissions
  
  ⇔
  
  volume of carbon produced contributing to global warming ✓
- fossil fuels
  
  ⇔
  
  examples include oil, coal and gas ✓
Which products use a renewable source of energy?
- solar fairy lights ✓
- wind up torch ✓
- disposable battery
- petrol chain saw
- gas cookers
Rank the modes of transport from most sustainable to least sustainable.
- 1
  
  ⇔
  
  bicycle
- 2
  
  ⇔
  
  electric vehicle
- 3
  
  ⇔
  
  hybrid vehicle
- 4
  
  ⇔
  
  petrol vehicle
What does the word 'obsolete' mean?
- new and modern
- no longer useful or in use ✓
- popular and in demand
- expensive and hard to find

Match the phrase to the meaning.
- cradle to grave
  
  ⇔
  
  linear product life cycle ✓
- cradle to cradle
  
  ⇔
  
  circular product life cycle ✓
- obsolete
  
  ⇔
  
  a product that is no longer used or useful ✓
What is the main goal of a circular economy?
- to produce more waste
- to keep materials in use ✓
- to use only new materials
- to stop recycling
Life cycle assessment (LCA) is where the environmental impact is assessed at ______ of the product's life cycle.
- some stages
- every single stage ✓
- the recycling stage
- the distribution stage
Carbon emissions are the volume of carbon produced contributing to ...
- 'global warming' ✓
At the distribution stage of a product's life cycle, the impact on the environment can be reduced by ...
- using petrol vehicles.
- locating manufacturing abroad.
- reducing the amount of packaging required for example flat pack/self assembly. ✓
- using hybrid or electric vehicles. ✓
- locating manufacturing close to a place of sale. ✓
Match the method of reducing environmental impact to the right stage of circular economy.
- adjustable height of a car seat
  
  ⇔
  
  product in use ✓
- self assembly furniture
  
  ⇔
  
  distribution ✓
- compostable plastic bags
  
  ⇔
  
  waste ✓
- accessible batteries
  
  ⇔
  
  repair and maintenance ✓

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Environmental impact only occurs when products are disposed of.

Circular economy and LCA consider the environmental impact at every single stage of a product's life cycle.

Circular economy - products and materials are kept in circulation and do not become waste
Life cycle assessment (lca) - assesses the environmental impact at every stage of a product’s lifecycle
Carbon emissions - volume of carbon produced contributing to global warming
Obsolete - a product that is no longer used or useful