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Chapter 4 - Rocks - Review

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1. Why does magma rise?
   1.   ?    It is more dense than the surrounding rocks.
   2.   ?    It is more massive than the surrounding rocks.
   3.   ?    It is cooler dense than the surrounding rocks.
   4.   ?    It is less dense than the surrounding rocks.
2. Metamorphic rocks come in two types. Thery are__.
   1.   ?    crystalized and noncrystalized
   2.   ?    intrusive and extrusive
   3.   ?    foliated and non-foliated
3. Igneous rocks have two types. They are ___.
   1.   ?    detrital and organic
   2.   ?    intrusive and extrusive
   3.   ?    foliated and non-foliated
4. Sedimentary rocks come in three types. They are __.
   1.   ?    detrital, chemical, and organic
   2.   ?    salty, sweet, and sour
   3.   ?    crystalline, noncrystalline, and flat
   4.   ?    layered, semilayered, and non-layered
5. Is the rock in figure 1 extrusive or intrusive igneaous?
   1.   ?    intrusive
   2.   ?    extrusive
6. Why do some rocks fizz in HCl?
   1.   ?    They have organic sediments.
   2.   ?    They have inorganic sediments.
   3.   ?    They are layered.
   4.   ?    They are formed from other rocks.
7. Using Figure 5, what is the process shown by #4?
   1.   ?    melting
   2.   ?    cooling
   3.   ?    heat and pressure
   4.   ?    compacting and cementing
   5.   ?    wearthing and erosion
8. Using Figure 5, what is the process shown by #5?
   1.   ?    melting
   2.   ?    cooling
   3.   ?    heat and pressure
   4.   ?    compacting and cementing
   5.   ?    weathering and erosion
9. Using Figure 5, what is the process shown by #6?
   1.   ?    melting
   2.   ?    cooling
   3.   ?    heat and pressure
   4.   ?    compacting and cementing
   5.   ?    weathering and erosion
10. Using Figure 5, what is the process shown by #7?
    1.   ?    melting
    2.   ?    cooling
    3.   ?    heat and pressure
    4.   ?    compacting and cementing
    5.   ?    weathering and erosion
11. Using Figure 5, what is the process shown by #8?
    1.   ?    melting
    2.   ?    cooling
    3.   ?    heat and pressure
    4.   ?    compacting and cementing
    5.   ?    weathering and erosion
12. In Figure 5, what rock type would be found at #1?
    1.   ?    Igneous
    2.   ?    Sedimentary
    3.   ?    Metamorphic
13. In Figure 5, what rock type would be found at #2?
    1.   ?    Igneous
    2.   ?    Sedimentary
    3.   ?    Metamorphic
14. In Figure 5, what rock type would be found at #3?
    1.   ?    Igneous
    2.   ?    Sedimentary
    3.   ?    Metamorphic
15. Is the rock in Figure 2 foliated or non-foliated?
    1.   ?    Foliated
    2.   ?    Non-foliated
16. What caused the holes in the rock in Figure 3?
    1.   ?    Worms trapped during formation
    2.   ?    Weathering and erosion
    3.   ?    Crystals bursting during formation
    4.   ?    Air bubbles trapped during formation
17. Classify the sedimentary rock in Figure 4.
    1.   ?    Organic
    2.   ?    Detrital
    3.   ?    Chemical
18. Use page 96 in your book. Which igneous rocks are lightest in color?
    1.   ?    granitic
    2.   ?    andesitic
    3.   ?    basaltic

19. Which of the following are metamorphic rocks? (pages 99-102)

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20. Which of the following are igneous rocks? (pages 94-97)

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21. Which of the following are sedimentary rocks? (pages 103-108)

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22. The grain size in extrusive igneous rocks is small becaue the _____.
    1.   ?    magma never made it to the surface
    2.   ?    magma cooled very slowly
    3.   ?    magma cooled very quickly

23. One rock in your rock lab contained a bunch of larger shell-type fossils. What is it?

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