Class Copy

Minerals, Rock Cycle, Ign. and Meta. Rock Test

  1. Which of these is NOT part of the definition of a mineral?
    a. naturally occurring. c. crystalline form.
    b. inorganic solid. d. an aggregate of rocks.
  2. Rocks or minerals that are of value to humans are called
    a. mines. c. ores.
    b. bauxite. d. flotsam.
  3. Which of these is NOT a physical property of minerals we have been using?
    a. luster. c. cleavage.
    b. hardness. d. melting point.
  4. The color of the powdered mineral is called its
    a. allure. c. color.
    b. luster. d. streak.
  5. The external form that a mineral has reflecting the orderly internal arrangement of its atoms is called
    a. blingicity. c. crystal form.
    b. hardness. d. fracture.
  6. What determines the hardness of a mineral?
    a. ion size. c. strength of chemical bonds.
    b. melting point. d. specific gravity.
  7. What could cause one piece of quartz to be milky colored and another to be pink?
    a. chemical formula. c. angle of incidence.
    b. slight impurities. d. crystal size.
  8. Which of these is in the correct order of hardness?
    a. fingernail, penny. c. steel, penny.
    b. steel, glass d. penny, fingernail.
  9. What is the luster of mineral 1?
    a. metallic c. dull
    b. admantine d. earthy
  10. What is the streak of the mineral 2?
    a. black c. green
    b. brown d. gold
  11. A rock is
    a. mostly made of minerals. c. an aggregate of one or more minerals.
    b. an conglomerate of one mineral. d. found only on the continents.
  12. Igneous rocks are classified by their
    a. color and streak. c. weight and melting point.
    b. texture and composition. d. temperature.
  13. Igneous rocks that cooled slowly underground
    a. have small crystals. c. have large crystals.
    b. have no crystals. d. are volcanic glass.
  14. Igneous rocks that cooled slowly underground
    a. are always light colored. c. are intrusive.
    b. are aphanitic. d. are extrusive.
  15. Igneous rocks that have mostly dark minerals
    a. may float in water. c. are found under oceans.
    b. are found on continents. d. are mostly silicate minerals.
  16. The color of an igneous rock reflects its
    a. mineral composition. c. cooling history.
    b. crystal size. d. lithification.
  17. The volcanoes closest to us are
    a. shield volcanoes. c. cinder cones.
    b. stratovolcanoes. d. caldera.
  18. If magma has a high silica and high water content then it is associated with
    a. low eruptive violence. c. lava.
    b. high eruptive violence. d. Pele the Hawaiian goddess of volcanoes.
  19. Igneous rock 1 is best described as
    a. mafic and phaneritic c. felsic and phaneritic
    b. felsic and aphanitic d. none of these
  20. Igneous rock 2 is best described as
    a. mafic and aphanitic c. felsic and phaneritic
    b. felsic and phaneritic d. none of these
  21. Which of these is NOT an agent (force) that causes cause metamorphism?
    a. heat. c. pressure.
    b. solar winds. d. chemically-active fluids.
  22. What is a common change to rock that occurs during metamorphism?
    a. changes in crystal orientation. c. changes in mineral complement.
    b. recrystallization of existing minerals. d. All of these.
  23. "High grade" metamorphic rocks differ from "low grade" because high grade rocks are
    a. more valuable. c. less dense.
    b. more metamorphosed. d. less metamorphosed.
  24. In metamorphic rocks when minerals are aligned in parallel layers, we call this
    a. foliation. c. exfoliation.
    b. defoliation. d. refoliation.
  25. A big difference between regional and contact metamorphism is
    a. contact metamorphism is localized. c. regional metamorphism occurs over large areas.
    b. regional produces more foliation. d. Hey, all of these are true!.
  26. blank rock cycleLabel the missing parts of the rock cycle.