Back to quiz

6. What is a sankey diagram?

  • A diagram showing the use of energy
  • A diagram showing amount of CO2 released by power stations

7. Is electricity a primary or secondary energy source?

  • Neither
  • Secondary energy source
  • Primary energy source

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

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

9. Why is energy transferred at high voltages?

  • To reduce the amount of energy loss
  • To increase energy loss