Geography Crossword Puzzle

12345678910111213
Across
  1. 2. ________ plates are pieces of the Earth's crust that make up the surface of the Earth.
  2. 7. _______ crust makes up the ocean floors of the Earth.
  3. 9. ___________ ______ are formed when two oceanic crusts converge.
  4. 13. Volcanoes are formed due to __________.
Down
  1. 1. The inner most layer of the Earth is the ____.
  2. 2. A _________ boundary is formed when two plates slide past each other.
  3. 3. _______ ________ are elongated depressions in the sea floor.
  4. 4. _________ volcanoes are steep at the summit and gentler near the base.
  5. 5. ____ volcanoes have steep slopes and are formed by acid lava flowing before solidifying.
  6. 6. When two continental crusts diverge, ____ _______ are formed.
  7. 8. Plates collide into each other at __________ boundaries.
  8. 10. ___________ crust makes up the continents.
  9. 11. The centre layer of the Earth is the ______.
  10. 12. Plates move apart from each other at _________ boundaries.
  11. 13. Liquid resistance to flow is called _________.