Unit 4 Review

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Across
  1. 3. Heat transfer when cold fluids sink and hot fluids rise
  2. 5. Tectonic plates move at this speed: ____ per year
  3. 7. At this boundary, plates move apart.
  4. 8. The name of the supercontinent meaning "All Earth"
  5. 10. A landform found at divergent and convergent boundaries.
  6. 11. Earth's core is made of _____ and iron.
  7. 14. Natural disaster when tectonic plates suddenly slip.
  8. 15. When the denser oceanic plate sinks beneath another plate.
Down
  1. 1. At this boundary, plates move toward each other.
  2. 2. The scientist who came up with the Theory of Continental Drift.
  3. 4. At this boundary, plates slide past one another.
  4. 6. Contains convection currents that move the plates.
  5. 9. Molten rock under the Earth's surface
  6. 12. The hottest layer of the Earth.
  7. 13. Divided into tectonic plates; made of hard solid rock.