Machines converting the energy of flowing or falling water into useful forms of power were already in use in the Middle Ages.



watermill, grain grinding, hydropower, water wheel, millstone, flume, renewable energy, river, gear, technology

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  • Which is not a traditional type of mills?
  • Is it true that mills are only used to grind solid substances?
  • What do water wheels convert the energy of water into?
  • In which historical age were watermills first built?
  • Where were water wheels not used?
  • What device is used to control the water level?
  • What material are water wheels usually made of?
  • What can be found on the outer rim of a water wheel?
  • What transmits the energy of the axle to the vertical shafts?
  • What was the grain poured into?
  • Which instrument grinds solid material in mills?
  • Which of these is not a type of water wheels?
  • Which part of a watermill is located ‘the closest’ to the source of the stream?
  • Which part of a watermill is located ‘the farthest’ from the source of the stream?
  • Where are watermills usually not built?
  • Is it true that watermills were often built on boats on slow flowing rivers?
  • Where were shipmills used?
  • Which type of waterwheels was usually used on fast flowing streams?
  • What was not ground in watermills in the Middle Ages?
  • Which of these is not a renewable energy source?
  • What is the usual position of the water wheel?
  • What is usually the position of the axle?
  • Where are the millstones placed?


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