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5 Written questions

5 Matching questions

  1. Actual Mechanical Advantage
  2. global warming
  3. fossil fuels
  4. Output Distance
  5. thunder
  1. a the distance the output force is exerted through
  2. b equal to the ratio of the output force to the input force
  3. c the sound produced by rapidly expanding air along the path of a lightning discharge
  4. d a theory that a greater amount of carbon dioxide will increase the green house effect and cause the temperature of the atmosphere to rise
  5. e formed from the remains of once living organims

5 Multiple choice questions

  1. the structure when magma hardens in a volcano's pipe
  2. tectonic plates slide past each other in opposite directions
  3. an air mass composed of moist & warm air
  4. a rigid bar that is free to move around a fixed point
  5. a layer of relatively cool, rigid rock that includes the uppermost part of the mantle as well as the Earth's crust

5 True/False questions

  1. seismographthe device that detects and records seismic waves


  2. momentumthe product of an object's mass and velocity


  3. stalagmiteprecipitation in the form of ice pellets/balls that are less than 5mm in diameter


  4. Polar Zonesfrom 66.5 degrees north to the North Pole and from 66.5 degrees south to the South Pole


  5. Mesospherethe lowest layer of Earth's atmosphere