Plate Tectonics Vocabulary

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Across
  1. 2. /a layer of molten iron and nickel (liquid) that surrounds the inner core of Earth
  2. 4. /Occur at all plate boundaries, where plates slide past eachother.
  3. 5. /the innermost part of the earth, a dense sphere of solid iron and nickel at the center of Earth
  4. 6. /A convergent boundary where volcanic mountains and a deep-sea trench are formed.
Down
  1. 1. /The theory that pieces of Earth's lithosphere are in constant motion, driven by convection currents in the mantle.
  2. 3. /A convergent boundary where volcanic islands and a deep-sea trench are formed.