Plate Tectonics Crossword Puzzle

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  • mantle : _ convection - what is the slow creeping motion of earth's solid silicate mantle caused by convection currents carrying heat from the interior of the earth to the surface?
  • outer core : what is the liquid layer of earth's core?
  • slab pull : what is the portion of motion of a tectonic plate that can be accounted for b the portion of motion of a tectonic plate that can be accounted for by its subduction?
  • ridge push : what pushes the rest of a plate away from the mid-ocean ridge?
  • iron : what element makes up most of earth's core?
  • core : what is the outermost layer of earth?
  • core : what extends from below the mantle to the center of earth?
  • lithosphere : what is the outermost rigid layer of earth?
  • divergent : _ boundaries - when two plates move away from each other this is called...
  • sea-floor spreading : what explains the age and magnetic patterns of sea floor rocks?
  • tectonic plates : the lithosphere is divided into...
  • transform : _ boundary - a boundary at which two plates move past each other horizontally is called a...
  • mesosphere : what is the strong lower part of the earth's mantle?
  • convergent : _ boundaries - two plates collide they make...
  • inner core : what is dense and is in the center of earth and extends from the bottom of the outer core to the center of earth?
  • ocean : _ trenches - what are the huge trenches on earth's seafloor?
  • convection : what is the movement of matter that results from differences in density?
  • mantle : what is located between the core and the crust?
  • plate tectonics : what describes large scale movements of the earth's lithosphere?