Volcanoes
2 years ago
mubeena1233
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10 QuestionsShow answers
  • Question 1
    30 seconds
    Q. What is molten rock that has formed deep within the Earth?
    answer choices
    Hot Spot
    Magma
    Lava
    Volcano
  • Question 2
    30 seconds
    Q. What is molten rock that has reached the Earth's surface?
    answer choices
    Aa
    Lava
    Magma
    Pahoehoe
  • Question 3
    30 seconds
    Q. What factor(s) determine(s) whether an eruption will be explosive?
    answer choices
    The amount of gases in the magma
    The amount of silica in the magma
    The amount of gas and silica in the magma
    None of these affect the explosiveness of the volcano
  • Question 4
    60 seconds
    Q. As magma rises towards the surface it collects in a 'room' called a _____ _____ . 
    answer choices
    magma chamber
    side vent
    main vent
    lava chamber
  • Question 5
    60 seconds
    Q. Vocanoes are found...
    answer choices
    on land
    under water
    on islands
    all of the above
  • Question 6
    30 seconds
    Q. Where is the largest volcano?
    answer choices
    Africa
    Indonesia 
    Wyoming
    Hawaii
  • Question 7
    30 seconds
    Q. What is a volcano?
    answer choices
    A mountain that has lava all over it 
    A giant hill filled with magma
    A long high sea wave 
    A hole in the Earth where magma erupts
  • Question 8
    60 seconds
    Q. The difference between magma and lava is _____
    answer choices
    where it is found (above or below the surface)
    how hot the molten rock is (lava is hotter than magma)
     the type of boundary where it forms
    the viscosity of the molten rock (lava has a lower viscosity)
  • Question 9
    60 seconds
    Q. Where are most volcanoes found?
    answer choices
    Southern Hemisphere
    Ring of Fire
    Mid-Atlantic Ridge
    Hot Spots
  • Question 10
    30 seconds
    Q. What is / are sign(s) that a volcano may erupt soon?
    answer choices
    Earthquake activity in the area
    Changes in the shape of the volcano
    Different amounts of gas being produced
    All of these are signs
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