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Earth's Layers

13 Questions
Earth

Covers the Earth' s layers

Questions and Answers
  • 1. 
    Which is the correct order of the earth's layers starting from the inside and going outwards?
    • A. 

      Crust, mantle, outer core, inner core

    • B. 

      Mantle, crust, outer core, inner core

    • C. 

      Inner core, outer core, mantle, crust

    • D. 

      Continental cruse, oceanic crust, mantle, core

  • 2. 
    A compound is:
    • A. 

      Two or more rocks

    • B. 

      Two or more elements

    • C. 

      Two or more atoms

    • D. 

      Two or more molecules

  • 3. 
    The core contains the densest elements.  What does the word "dense" mean in this sentence?
    • A. 

      Far apart

    • B. 

      Not that bright

    • C. 

      Closely compacted together

    • D. 

      Very thick

  • 4. 
    The two kinds of crust are continental and:
    • A. 

      Oprahanic

    • B. 

      Oceanic

    • C. 

      Octopanic

    • D. 

      None of the above

  • 5. 
    Oceanic crust contains more ________ than continental crust.
    • A. 

      Salt

    • B. 

      Rocks

    • C. 

      Iron

    • D. 

      Magnesium

  • 6. 
    • A. 

      Crust

    • B. 

      Mantle

    • C. 

      Outer core

    • D. 

      Inner core

  • 7. 
    Which is NOT a possible way that scientists can learn about the mantle?
    • A. 

      By digging down directly to it.

    • B. 

      By studying rocks.

    • C. 

      By observing the Earth's surface

    • D. 

      By studying the ocean floor.

  • 8. 
    Which of the following statements is true about the crust?
    • A. 

      It is 67% of the Earth's mass

    • B. 

      It is about 3,00 km thick

    • C. 

      It is less than 1% of the Earth's mass

    • D. 

      It includes 3 different types

  • 9. 
    • A. 

      True

    • B. 

      False

  • 10. 
    The inner core is liquified.
    • A. 

      True

    • B. 

      False

  • 11. 
    Scientist believe that the inner core is made mostly of:
    • A. 

      Gold

    • B. 

      Silver

    • C. 

      Magnesium

    • D. 

      Iron

  • 12. 
    • A. 

      True

    • B. 

      False

  • 13. 
    How many meters are in a kilometer?
    • A. 

      10

    • B. 

      100

    • C. 

      1,000

    • D. 

      100,000

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