Geology As Rocks Paper Questions

95 Questions | Total Attempts: 16

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Geology Quizzes & Trivia

Questions and Answers
  • 1. 
    Write out the correct order of processes and rock formation in the rock cycle:, the processes are listed below: intrusion,  recrystallisation,  burial,  extrusion,  magma accumulation, partial melting,   crystallisation, transportation,  deposition,  metamorphic rocks. diagenesis,  weathering,  heat & pressure,  erosion, 
  • 2. 
    Select a process of chemical weathering
    • A. 

      Hydraulic action

    • B. 

      Hydroactivity

    • C. 

      Hydraulism

    • D. 

      Hydrolysis

  • 3. 
    Animal burrows may cause biological weathering?
    • A. 

      True

    • B. 

      False

  • 4. 
    Tree roots growing in the cracks of rock is an example of biological weathering?
    • A. 

      True

    • B. 

      False

  • 5. 
    Offroading vehicles are an example of biological weathering?
    • A. 

      True

    • B. 

      False

  • 6. 
    What is hydraulic action?
    • A. 

      Abrasion is when rocks rub against each other

    • B. 

      The sheer strength of water crashing into rocks and knocking off loose fragments.

    • C. 

      When rocks are chemically eroded and dissolve into the water and are carried in solution

    • D. 

      When rocks become more rounded

  • 7. 
    What is abrasion?
    • A. 

      The sheer strength of water crashing into rocks and knocking off loose fragments.

    • B. 

      When rocks are chemically eroded and dissolve into the water and are carried in solution

    • C. 

      When rocks become more rounded

    • D. 

      When rocks rub against each other

  • 8. 
    What is attrition?
    • A. 

      When rocks rub against each other

    • B. 

      When rocks become more rounded

    • C. 

      When rocks are chemically eroded and dissolve into the water and are carried in solution

    • D. 

      Whe wearing away and transportation of weathered material by water wind and ice

  • 9. 
    What is corrosion?
    • A. 

      When rocks rub against each other

    • B. 

      When rocks are chemically eroded and dissolve into the water and are carried in solution

    • C. 

      When rocks become more rounded

    • D. 

      The sheer strength of water crashing into rocks and knocking off loose fragments.

  • 10. 
    Name all four methods of transportation. 
  • 11. 
    Igneous rocks are formed by the crystallisation of which materials
    • A. 

      Ash

    • B. 

      Magma

    • C. 

      Lava

    • D. 

      All of the above

  • 12. 
    How are sedimentary rocks formed?
    • A. 

      Heat, pressure, recrystallisation

    • B. 

      Formed by compaction and cementation or sediment produced by erosion and weathering of older rocks

    • C. 

      Partial melting, magma accumulation, intrusive, extrusive

    • D. 

      Formed by crystallisation of magma, lava or ash

  • 13. 
    How are metamorphic rocks formed?
    • A. 

      Formed by compaction and cementation or sediment produced by erosion and weathering of older rocks

    • B. 

      Partial melting, magma accumulation, intrusive, extrusive

    • C. 

      Produced when igneous/sedimentary rocks are subjected to changing heat/pressure within the earth.

    • D. 

      Formed by crystallisation of magma, lava or ash

  • 14. 
    Sedimentary processes are:
    • A. 

      Weathering/Erosion

    • B. 

      Extrusion/intrusion

    • C. 

      Abrasion

    • D. 

      Crystallisation/burial

    • E. 

      Diagenesis

    • F. 

      Transportation/deposition

  • 15. 
    Igneous processes are:
    • A. 

      Diagenesis

    • B. 

      Partial melting

    • C. 

      Lithification

    • D. 

      Magma accumulation

    • E. 

      Intrusive/extrusive

  • 16. 
    Metamorphic processes are:
    • A. 

      Cementation

    • B. 

      Recrystallisation

    • C. 

      Heat

    • D. 

      Pressure

    • E. 

      Burial

    • F. 

      Diagenesis

  • 17. 
    An example of a silicic rock is granite or rhyolite, they contain lots of quartz and feldspar.  What percentage silica is a silicic rock?
    • A. 

      52%

    • B. 

      44%

    • C. 

      66%

    • D. 

      >44%

  • 18. 
    Intermediate rocks have are darker in colour and examples are diorite and andesite. What percentage of silica are intermediate rocks?
    • A. 

      52-66%

    • B. 

      >44%

    • C. 

      66%

    • D. 

      52%

  • 19. 
    Mafic rocks are darker in colour and examples are gabbro, dolerite and basalt. What percentage of silica are mafic rocks?
    • A. 

      66%

    • B. 

      44-52% silica

    • C. 

      >44%

    • D. 

      52-66%

  • 20. 
    Ultramafic rocks are the darkest of all rocks, an example is peridotite. What percentage silica are ultramafic rocks?
    • A. 

      44-52%

    • B. 

      >44%

    • C. 

      52-66%

    • D. 

      66%

  • 21. 
    Igneous rock grain sizes are described in what terms?
    • A. 

      Coarse

    • B. 

      Crystal

    • C. 

      Medium

    • D. 

      Fine

    • E. 

      Grain

  • 22. 
    The longer the igneous rock takes to cool, the 
  • 23. 
    Name a coarse grained igneous rock:
  • 24. 
    Name a medium grained igneous rock:
  • 25. 
    Name a fine grained igneous rock:
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