generating electricity

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1. tidal power is...

  • chemical energy of the water- gravitational potential energy
  • kinetic energy of the water- thermal energy
  • kinetic energy of the water- electrical energy
  • thermal energy of the water-electrical energy
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Other questions in this quiz

2. what causes energy losses

  • friction, noise, vibrations
  • air resistance, friction, sound, current
  • pull, drag, chemical
  • current, drag, potential
  • flying, speed, drinking

3. biomass/bio fuels are...

  • thermal energy of biological matter- electrical energy
  • chemical energy- thermal energy in burning
  • kinetic energy of biological matter- thermal energy in burning
  • chemical energy- potential energy

4. energy efficiency=

  • useful output energy/ total input energy
  • calories eaten for dinner/ price of fish and chips
  • total input energy/ useful output energy
  • total input energy x useful output energy

5. solar power is...

  • light/thermal energy from the sun- electrical energy
  • kinetic energy of the sun- thermal energy
  • light/thermal energy from the sun- thermal energy of the water/ electrical energy for electricity
  • heat energy of the sun- thermal energy of the water/ electrical energy for electricity

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