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Rocks and Minerals

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  • Which type of rock can have banded mineral layers?
    Metamorphic rocks (like gneiss)
  • What mineral is limestone mostly made of?
    Calcite
  • True or false? All rocks contain minerals
    True
  • Name a mineral commonly found in granite?
    Quartz (also feldspar and mica)
  • What determines the size of crystals in igneous rocks?
    How fast the magma or lava cools
  • What clues can show what minerals a rock contains?
    Colour, hardness, texture, crystal shape
  • What mineral makes up marble?
    Calcite
  • What mineral is sandstone mostly made of?
    Quartz
  • What type of rock forms from sediments being compacted and cemented?
    Sedimentary rock
  • What do we call the original rock before it becomes metamorphic?
    The parent rock
  • What are minerals?
    Substances that are naturally occurring and have a fixed chemical composition
  • How do metamorphic rocks form?
    From heat and pressure changing existing rocks
  • How do igneous rocks form?
    From cooling and solidifying magma or lava
  • What are rocks made of?
    Rocks are made of one or more minerals
  • What holds sedimentary rocks together?
    Cementing minerals like calcite or quartz
  • Name a metamorphic rock that forms from shale?
    Slate
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