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5 Written Questions

5 Matching Questions

  1. rock
  2. deep ocean trench
  3. density
  4. mantle
  5. convergent boundary
  1. a deep valley along ocean floor through which oceanic crust slowly sinks towards mantle
  2. b material that forms earth's hard surface
  3. c layer of hot, solid material between earth's crust and core
  4. d plate boundary where 2 plates move towards each other
  5. e amount of mass in a given space, mass per unit volume

5 Multiple Choice Questions

  1. a dark, dense rock with a fine texture found in oceanic crust
  2. transfer of heat in a heated fluid
  3. usually light colored rock that makes up most continental crust
  4. theory that pieces of earth's crust are in constant motion, driven by convection currents in mantle
  5. well tested concept explaining wide range of observations

5 True/False Questions

  1. crustthe layer of rock that forms earth's outer surface


  2. pangeaname of single landmass that broke apart 200 million years ago and gave rise to today's continents


  3. continentgreat land mass surrounded by oceans


  4. lithospheresoft layer of mantle that lithosphere floats on


  5. divergent boundaryplate boundary where 2 plates move away from each other


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