matthews layers of the earth

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Across
  1. 6. large slabs of crust floating on magma (6)
  2. 8. solid part of the core due to pressure (5)
  3. 10. heat cycle in mantle that moves plates (10)
  4. 12. cool magma does this toward core (5)
  5. 14. plate beneath oceans, thinner and denser (7)
  6. 16. circular magma flow driving plate motion (8)
  7. 17. layer beneath crust, semi-molten rock (6)
  8. 18. in the core can reach 5,000°C (11)
  9. 19. edge where two tectonic plates meet (8)
Down
  1. 1. outer solid rock layer of the Earth (5)
  2. 2. have thinner crust, about 10 km (6)
  3. 3. have thicker crust, up to 60 km (10)
  4. 4. metal found in both parts of the core (4)
  5. 5. centre of Earth, very hot, made of metal (4)
  6. 6. causes inner core to stay solid (8)
  7. 7. in mantle is around 4,000°C (11)
  8. 9. along with iron, makes up Earth’s core (6)
  9. 11. plate beneath land, thicker and lighter (12)
  10. 13. hot magma does this toward crust (5)
  11. 15. hot flowing rock in the mantle (5)
  12. 20. part of core that is molten (5)