Thomas' Gigantic Geography Puzzle

12345678910111213141516171819
Across
  1. 2. Molten rock erupting from a volcano
  2. 4. Area of low land (depression) enclosed by higher land
  3. 6. Movement of rock along a fracture in the Earth’s crust
  4. 7. An elevated area of land often formed when tectonic plates collide and fold over one another
  5. 10. Frozen water part of the Earth system
  6. 12. A city is an example of this type of environment
  7. 13. Process that breaks down rock into smaller particles
  8. 14. the mass of water found on the Earth's surface
  9. 17. Study of the shapes and features of landforms
  10. 18. Temporarily inactive
  11. 19. Environment modified for human habitat
Down
  1. 1. Molten rock found deep beneath the Earth’s crust
  2. 3. Area of flat land
  3. 4. A cone-shaped landform made by the violent expulsion of molten rock
  4. 5. A mass of mud sliding downhill
  5. 8. Study of landforms
  6. 9. Rock formed when sediments accumulate and cement together
  7. 11. The study of natural and built environments of the world over time
  8. 12. Life on Earth as one integrated system
  9. 15. Area of flat high ground usually with steep sides
  10. 16. Uluru is often referred to as one of these