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6. give 4 advantages of living near a volcano

  • fertile slopes of m.t etna grow loverly tomatoes, geothermal energy in iceland, blue lagoon spa, after lava weathers fertile soil
  • thermal waters, infertile soil, very safe, injury
  • loss of life, buildings destroyed, damage, visit geysers in iceland

7. What is the mantle

  • soft like molten or melted rock - 2900km deep
  • mainly iron and melted rock- 2200km deep
  • Solid Rock 8-65km thick
  • solid rock - 1600km thick 5500 degrees

8. large land slabs (continents) joined together millions of years ago are called

  • Plate
  • Plangea
  • Tephra
  • Lahar

9. when was the Montserrat volcanic eruption

  • April 1976
  • July 2001
  • July 1995
  • August 1995

10. where are oceanic trenches found and how deep are they

  • conservative boundary, 8,000-10,000m deep
  • destructive plate boundaries, 5,000-10,000m deep
  • constructive boundary, 5,000-10,000m deep
  • collision boundary, 10,000-15,000m deep

11. give 4 disadvantages of living near a volcano

  • loss of life, injury, loss of property, loss of infrastructure
  • great agriculture, ash contaminates water supply, mining from earthquakes, oil seeps through plates
  • geothermal energy, blue lagoon spa, loss of communication, tourism

12. what is the outer core

  • solid rock - 1600km thick 5500 degrees
  • soft like molten or melted rock - 2900km deep
  • mainly iron and melted rock- 2200km deep
  • Solid Rock 8-65km thick

13. collision plate

  • Two plates that push together and are forced up forming a fold mountain
  • fold mountain
  • Two plates that push together one gets subducted beneath another
  • two plates pulling apart splitting land
  • two plates rubbing together causing earthquakes or move in the same direction but at different speeds

14. when was the Japan Tsunami

  • 26th April 2011
  • 11th June 2010
  • 11th March 2011
  • 15th March 2011

15. when was the haiti earthquake

  • 19th February 2010
  • 12th January 2010
  • 10th January 2010
  • 21st February 2010

16. what is the Crust

  • Solid Rock 8-65km thick
  • soft like molten or melted rock - 2900km deep
  • mainly iron and melted rock- 2200km deep
  • solid rock - 1600km thick 5500 degrees

17. what is the inner core

  • mainly iron and melted rock- 2200km deep
  • soft like molten or melted rock - 2900km deep
  • solid rock - 1600km thick 5500 degrees
  • Solid Rock 8-65km thick

18. give 2 examples of land use in the alps

  • fishing and shopping
  • dairy farming (transhumance) and skiing on steep slopes
  • dancing and collecting wood
  • snow boarding on steep slopes and tree climbing

19. how are calderas formed

  • large bowl shape
  • eruption occurs
  • formed when the magma chamber collapses after an eruption leaving a large bowl shape ground (depression)
  • volcanic winter

20. what is a phyroclastic flow

  • horizontal eruption of ash gas and volcanic bombs that can travel 200km per hour
  • eruption of lava
  • magma chamber and earths crust
  • ash flow