Science finals Pt3

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  1. Which of the following properties is generally the least useful in identifying minerals?
  2. Wich of the following is true about rocks?
    Most rocks are a mixture of minerals
  3. The process of mineral formations from magma is called_____.
  4. Earths thin, rocky outer layer is its _____.
  5. Why ice in glacier considered to be a mineral, but water from a glacier is not?
    Ice is a solid, but water is not
  6. All minerals in the sulfate and sulfide groups contain what element?
  7. The resistance of a mineral to being scratched is called ____.
  8. In which of the following settings would a metamorphic rock most likely form?
    8 kilometers below the earths surface
  9. What determines the properties of a mineral?
    Composition and structure
  10. The three groups of rocks are classified by ____.
    how they form
  11. Minerals with the silicon-oxygen structure, shown in figure 2-1, are classified into what group?
  12. A magma's viscosity is directly related to its___.
    silica content
  13. Sedimentary rocks with the ripple marks suggest that the rocks formed____.
    along a beach or stream bed
  14. Which of the following changes may occur during metamorphism?
    • certain minerals may recrystalize
    • The rock becomes more compact
    • crystals may grow
  15. which of the following is a use for fossils found in sedimentary rocks?
    • indicating when the rock formed
    • matching rocks of the same age found in different places
    • interpreting past environments
  16. A metamorphic rock can be classified according to its _____.
    texture and composition
  17. What is density of a mineral?
    the ratio of a mineral's mass to its volume
  18. What type of rocks are formed by processes powered by the sun?
    Sedimentary rocks
  19. Which of the following is NOT one of the three types of rock?
  20. Which of the following is NOT one of the three types of rock?
  21. A rock that forms when magma hardens beneath Earth's surface is called an _____.
    intrusive igneous rock
  22. Mohs scale is used to determine what property of minerals?
  23. The process of mineral formation from magma is called ______.
  24. As rate of cooling of igneous rocks increase, the size of the crystals that form
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Science finals Pt3
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