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Igneous Rocks

Quiz by Alexander Shannon

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12 questions
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  • Q1
    a naturally occurring solid mixture of one or more minerals and organic matter
    Rock
    30s
  • Q2
    the series of processes in which a rock forms, changes from one type to another, is destroyed, and forms again by geological processes
    Rock Cycle
    30s
  • Q3
    the chemical make-up of a rock; describes either the minerals or other materials in a rock
    Composition
    30s
  • Q4
    the size, shape, and positions of the mineral grains in a rock
    Texture
    30s
  • Q5
    forms when magma (hot liquid rock) cools and solidifies (becomes a solid)
    Igneous Rock
    30s
  • Q6
    light colored igneous rocks
    Felsic
    30s
  • Q7
    dark colored igneous rocks
    Mafic
    30s
  • Q8
    lava cools quickly at the surface, mineral crystals are very small or not visible
    Fine-Grained Texture
    30s
  • Q9
    magma below the surface cools slowly, large visible mineral crystals
    Coarse- Grained Texture
    30s
  • Q10
    rock formed from the cooling and solidification of magma below the surface of the Earth
    Intrusive Igneous Rock
    30s
  • Q11
    rock that forms from lava at or near the surface of the Earth
    Extrusive Igneous Rock
    30s
  • Q12
    the hardening of magma or lava to become igneous rock
    solidification
    30s

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