Plate Tectonics

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Across
  1. 2. continental ________ was a hypothesis that Earth's continents were once joined in a single landmass and gradually moved, or drifted, apart.
  2. 3. The _________ core is a layer of liquid metals that surrounds the inner core
  3. 6. Mid-ocean _________ are underwater mountain ranges
  4. 7. The _________ core is a ball of hot, solid metals
  5. 8. The lithosphere sits on top of the ______________
  6. 9. ________ is energy transfer by the movement of a material
Down
  1. 1. Earth's crust and the very top of the mantle together form the _________
  2. 4. The lithosphere is broken into many large and small slabs of rock called ________ plates
  3. 5. a huge supercontinent that reached from pole to pole and was centered over the area where Africa lies today
  4. 10. convection ___________ is a motion that transfers heat energy in a material