Other questions in this quiz

2. nuclear energy is...

  • sound energy of the fast moving particles- electrical energy
  • thermal energy of the fast moving particles- electrical energy
  • thermal energy of the fast moving particles- kinetic energy
  • chemical energy of the fast moving particles- thermal energy

3. what causes energy losses

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

4. hydroelectric power is...

  • gravitational energy of the raised water- electrical energy
  • gravitational energy of the raised water- thermal energy
  • kinetic energy of the raised water- electrical energy
  • chemical energy of the raised water- thermal energy

5. what reduces the efficiency of a machine?

  • energy losses
  • movement
  • walking away from it
  • eating a burger

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