P3- Sustainable Energy

Ocr 21st century

Module P3

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1. Nuclear power stations don't produce CO2 emissions, so why are they used less than fossil fuels?

  • They're are very dangerous and could cause cancer and death if not controlled properly.
  • They don't produce as much power
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2. What main gas does fossil fuels release when burnt?

  • Methane
  • Carbon dioxide
  • Oxygen

3. Why aren't renweable energy sources used alot?

  • They increase pollution more than non-renweable sources
  • They don't produce as much eletricity as non-renewable energy sources
  • They produce too much energy
  • They are more dangerous

4. How do you find out energy transferred?

  • Time x Current
  • Power x Time
  • Efficiency x Power

5. Why is it difficult to replace fossil fuels?

  • Other sources have high running costs and may not produce much energy.
  • There are no other sources of energy
  • Fossil fuels are renewable
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