Rock Test For 3rd Grade: Quiz!

10 Questions | Total Attempts: 4060

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3rd Grade Quizzes & Trivia

Questions and Answers
  • 1. 
    _____________ rocks form from PRESSURE and TEMPERATURE CHANGES.
    • A. 

      Sedimentary

    • B. 

      Metamorphic

    • C. 

      Igneous

    • D. 

      Volcanic

  • 2. 
    What is the hardest rock?
  • 3. 
    A _____________ rock forms with wind and water breaking the rock into bits.  Then the wind and water carry the bits of rock and soil away.  The bits settle into layers.  After a long time, the layers harden into this kind of rock.
    • A. 

      Igneous

    • B. 

      Sedimentary

    • C. 

      Metamorphic

    • D. 

      Diamond

  • 4. 
    This kind of rock was melted then cooled and hardened.  Some cooled quickly and others more slowly.
    • A. 

      Sedimentary

    • B. 

      Igneous

    • C. 

      Metamorphic

  • 5. 
    A rock is naturally formed from ______________________.
    • A. 

      Sediments

    • B. 

      One or more minerals.

    • C. 

      Diamonds

    • D. 

      Crystals

    • E. 

      Pressure and temperature changes.

  • 6. 
    How do you identify rocks?
    • A. 

      Color

    • B. 

      Shape

    • C. 

      Mohs Scale

    • D. 

      All of the above

    • E. 

      Only A and C.

  • 7. 
    The Mohs Scale identifies the rock by testing the ___________.
    • A. 

      Shape

    • B. 

      Color

    • C. 

      Hardness

    • D. 

      Softness

  • 8. 
    What is a trace or remains of a living thing that died long ago?
    • A. 

      A grave

    • B. 

      A diamond

    • C. 

      A fossil

    • D. 

      A mineral

  • 9. 
    Fossils are found in what type of rock? Metamorphic or Igneous or Sedimentary.
  • 10. 
    Choose the answer that is NOT the reason why plant fossils are not as common as animal fossils.
    • A. 

      Soft parts of plants are easily destroyed as the rock forms.

    • B. 

      Animals have bones, plants have soft parts.

    • C. 

      Plants have hard parts.