Intrusive vs Extrusive Igneous Rocks Exercise

Intrusive vs Extrusive Igneous Rocks

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Intrusive vs Extrusive Igneous Rocks

Compare intrusive and extrusive igneous rocks based on where and how quickly they cool.

Questions

  1. MultiChoice

    Where do intrusive igneous rocks form?

  2. MultiChoice

    Where do extrusive igneous rocks form?

  3. MultiChoice

    Why does lava cool quickly when extruded onto Earth's surface?

  4. MultiChoice

    What crystal size is expected in an intrusive igneous rock?

  5. MultiChoice

    Which of the following rocks is intrusive?

  6. MultiChoice

    Which rock forms when lava cools almost instantly upon contact with air or sea water?

  7. MultiChoice

    How does cooling speed relate to mineral crystal size in igneous rocks?

  8. MultiChoice

    What type of rock is vesicular basalt?

  9. MultiChoice

    Which mineral is abundant in light-colored intrusive rocks like granite?

  10. MultiChoice

    Rhyolite and granite have the same chemical composition. How do they differ?

  11. MultiChoice

    Which setting favors intrusive igneous rock formation?

  12. MultiChoice

    Why are extrusive igneous rocks frequently found near volcanoes?