Plate Tectonics

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Across
  1. 1. — molten rock beneath Earth’s surface.
  2. 6. — rising and sinking of heated material in the mantle.
  3. 7. — a rigid section of Earth’s crust.
  4. 8. — type of boundary where plates move toward each other.
  5. 9. — deep linear feature formed at subduction zones.
Down
  1. 2. — the layer beneath the lithosphere where convection occurs.
  2. 3. — a mid-ocean structure formed at divergent boundaries.
  3. 4. Tectonics — theory explaining movement of Earth’s plates.
  4. 5. — boundary where plates slide past each other.