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Eduqas GCSE Geology Minerals and rocks overview quiz quiz

15questions. Pick an answer and you'll see why right away.

  1. Which property is generally the LEAST reliable for identifying a mineral?

  2. A mineral is scratched by a steel blade but not by a copper coin. Its approximate hardness is:

  3. Which mineral fizzes when dilute hydrochloric acid is added?

  4. Why does fast cooling produce a fine-grained igneous rock?

  5. Which rock is a coarse-grained, pale (felsic) intrusive igneous rock?

  6. Hot watery fluids deposit galena and quartz along a fracture as they cool. What is this called?

  7. Which sequence correctly lists how a sedimentary rock forms?

  8. Very fine, clay-sized particles in a shale indicate deposition in which environment?

  9. Well-rounded pebbles in a conglomerate tell you that the grains have:

  10. Which statement about how most fossils form is correct?

  11. Metamorphism changes a rock by recrystallisation in the solid state. What must NOT happen?

  12. Contact metamorphism of a limestone next to a granite intrusion produces:

  13. Which rock is foliated and forms by regional metamorphism of a mudstone at low grade?

  14. Why is marble NOT foliated, even though it is a metamorphic rock?

  15. Which pair of properties is independent, so a mineral can be high in one and low in the other?