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5 Written questions

5 Matching questions

  1. Geologist
  2. rock
  3. plate tectonics
  4. crust
  5. deep ocean trench
  1. a theory that pieces of earth's crust are in constant motion, driven by convection currents in mantle
  2. b the layer of rock that forms earth's outer surface
  3. c a scientist who studies the materials and forces that make and shape Earth
  4. d material that forms earth's hard surface
  5. e deep valley along ocean floor through which oceanic crust slowly sinks towards mantle

5 Multiple choice questions

  1. deep valley forms where 2 plates move apart
  2. well tested concept explaining wide range of observations
  3. device that determines distance of an object by recording echoes of sound waves
  4. great land mass surrounded by oceans
  5. name of single landmass that broke apart 200 million years ago and gave rise to today's continents

5 True/False questions

  1. convection currenttransfer of heat in a heated fluid


  2. transform boundaryplate boundary where 2 plates move past each in opposite directions


  3. outer coredense sphere of solid iron and nickel in center of earth


  4. radiationtransfer of heat through empty space


  5. divergent boundaryplate boundary where 2 plates move towards each other


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