Across
- 2. Conquistador responsible for the defeat of the Aztecs
- 4. A boundary where tectonic plates collide
- 5. Molten material beneath the Earth’s crust
- 9. City with a population exceeding ten million
- 10. Roman engineering used to transport water
- 12. City life that is not rural
- 15. Spanish labour system imposed in New Spain
- 18. The underground point where an earthquake begins
- 20. When one tectonic plate slides beneath another
- 21. Capital city of the Aztec Empire
- 22. Movement of people from one place to another
- 23. Breakdown of rocks by wind water or chemicals
Down
- 1. Spanish conqueror involved in American expansion
- 3. Mounted warrior sworn to serve a lord
- 6. Peasant bound to land under the feudal system
- 7. Molten rock that reaches Earth’s surface
- 8. Mountain that allows molten rock to reach the surface
- 11. Point on Earth’s surface directly above an earthquake origin
- 12. Growth of cities as people move from rural areas
- 13. Relating to the movement of Earth’s plates
- 14. Wearing away of rock and soil by natural forces
- 16. Medieval system organising land loyalty and labour
- 17. Able to support current and future needs responsibly
- 19. A large ocean wave caused by underwater disturbance