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5 Written questions

5 Matching questions

  1. water
  2. disadvantages of fossil fuels
  3. disadvantages of solar energy
  4. disadvantages of hydroelectricity
  5. gysum
  1. a they can only be built where there is moving water ther also must be a place where a lake can form behind a dam and it can also stop fish from swimming up and down the river
  2. b it is not able at night or cloudy days and systems to make electricity from solar energy are expensive to make and maintain. Factories that make solar cells produce very dangerous waste
  3. c is a renewable resouce becuase of the water cycle
  4. d their supplies are being limited and burning coal and oil can cause air pollution and hurt plants, plants, animals,and buildings. Also oil spills pollute the ocean
  5. e is a white material from rocks

5 Multiple choice questions

  1. animal waste, wood, grasses, or food waste
  2. burning coal turns into a steam and then causes generators to spin and make energy
  3. is a renewable resource because the pollution slowly settles out of atmosphere or gets caught in rain
  4. means to treat something so it can be used again
  5. either cannot be replaced at all or cannot be replaced as fast as we use it

5 True/False questions

  1. uses of iron oreis a supply that will meet a need for materials or energy


  2. advantages of wind energythat the wind doesn't blow all at the same time and birds are also killed by them flying into the towers or the blades also people think they are noisy and ugly


  3. pulpis slowly and constantly being made from weathering rock and decaying plants


  4. what can be formed from crude oilgasoline, deisel fuel, and other fuels


  5. gravelis made by little rocks and is used to build roads


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