Types of Minerals in Rocks Quiz
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Questions and Answers

What is the temperature of the lava when it erupts?

  • 500 degrees Celsius
  • 800 degrees Celsius
  • 200 degrees Celsius
  • 1,100 degrees Celsius (correct)

    • What type of flows are Hawaiian volcanoes famous for?

  • Thick and viscous flows
  • Sharp and crystalline flows
  • Smooth and gentle pahoehoe flows (correct)
  • Rough and jagged flows

    • What does sulfur dioxide help with in the context of the text?

  • Assists in pushing the lava up and out of the surface (correct)
  • Makes lava harden quickly
  • Gives lava its shininess
  • Causes lava to cool down rapidly

    • What is a caldera as mentioned in the text?

    <p>A big hole at the top of a volcano</p> Signup and view all the answers

    Who is Bill Kato in the context of the text?

    <p>A volcanologist working at the volcano observatory</p> Signup and view all the answers

    What is the typical color of obsidian rock?

    <p>Black</p> Signup and view all the answers

    Which type of rock has a gritty, medium-grained texture?

    <p>Sedimentary rock</p> Signup and view all the answers

    Which type of rock is typically smooth with small, wavy bands?

    <p>Metamorphic rock</p> Signup and view all the answers

    Which type of rock is known for its glassy, smooth texture with no visible grains?

    <p>Igneous rock</p> Signup and view all the answers

    Which type of rock is typically not greasy or shiny in appearance?

    <p>Sedimentary rock</p> Signup and view all the answers

    Which mineral is described as having a dark-green color?

    <p>Pyroxene</p> Signup and view all the answers

    Which mineral is known for its softness and is used to make talcum powder?

    <p>Talc</p> Signup and view all the answers

    Which mineral has a greasy or soapy texture?

    <p>Talc</p> Signup and view all the answers

    Which mineral is shiny and used in watch glass and parts?

    <p>Quartz</p> Signup and view all the answers

    Which mineral is described as hard and dull in appearance?

    <p>Pyroxene</p> Signup and view all the answers

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