Across
- 1. a large plate that covers most of north america, parts of Greenland and Siberia
- 8. the top layer of the crust that is found underwater
- 10. plates that are between 20 million and 1 million kilometres squared and usually aren't shown on plate maps because they don't cover important land masses
- 11. a form of rock that is created by the cooling of lava
- 12. the word tsunami is from Japan where these natural ________ often occur
- 15. the solid part of the earth that is made of the earths core and the outer mantle
- 16. a big crack in the earths surface that enables magma to get to the surface
- 19. a super volcano that last erupted 630 000 years ago
- 20. a volcano that is inactive but could erupt without warning
- 24. a transformation that takes place over time because of heat or pressure
- 25. when their is horizontal movement along a fault line
- 26. people are ______ about the oncoming natural disaster
- 27. a crack that lets out volcanic gasses that enter the atmosphere
- 31. what magma and molten rock is called while on the earths surface
- 32. the layer of the earth between the crust and the core
- 33. the Italian volcano that erupted in 79 AD decimating Pompeii
- 35. the area of geology in which the evolution of landscapes is studied
- 36. a volcano in Indonesia that last erupted this year
- 39. top layer of crust but on land
- 41. where plates are moved away from one another because of rising convection currents
- 42. these plates are little sections of bigger plates for example the Indo-Australian plate has got seven micro plates attached
- 44. a small earthquake
- 47. covers most of Europe and Asia
- 48. when 2 things clash together with extreme impact
- 50. Pangaea was a _______ where every continent was connected
- 51. the volcanic ash that comes out of the vents
- 52. crushed rock pushed out of an explosion vent and is very abrasive
- 53. where 2 or more plates collide
Down
- 2. the largest plate and is situated underneath the Pacific ocean
- 3. a volcano that hasn't erupted recently and is unlikely to again in the near future
- 4. is an underwater mountain formed by the collision of tectonic plates
- 5. people who live near the _____ are in danger of tsunamis
- 6. often happens after the first larger earthquake
- 7. where living creatures can survive
- 9. where one plate is forced downward into the earths mantle when it collides with another plate
- 13. the study of the earths crust
- 14. a machine that measures the size of an earthquake
- 17. covers India and Australia but is often considered 2 different plates which are called the Australian and the Indian
- 18. covers Africa and is just over 60 million squared kilometres
- 21. the area under the sea around 2000 to 5000 meters deep
- 22. the theory of the earths continents drifting over time
- 23. the land mass directly above where the earthquake occurred
- 24. hot fluid that is found in the earths crust and can turn into lava after cooling
- 28. a scientific field that focuses on the history and information about rocks
- 29. the iconic Japanese volcano and is 3776 meters tall
- 30. a cone shaped mountain or hill that erupts volcanic ash,lava and gases
- 32. plates that make up the continents and are over 20 million square kilometres
- 34. the outer and thinnest layer of the earth
- 37. the ring of fire is the ring of volcanoes surrounding the pacific ocean this phenomenon occurs because of the fault lines
- 38. a stratovolcano in Sicily, Italy
- 40. a stratovolcano in Northwest America
- 43. the ancient super continent that existed long ago
- 45. the measurement in which the earthquakes size is recorded
- 46. when a volcano spits out lava and magma
- 49. a large area of continuous land