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Chapter 6 Test Review
1. What occurs when heat from nearby magma causes changes in the surrounding rocks?
2. The measure of the tendency of a chemical compound to maintain its original chemical
composition rather than break down to form a different chemical is
____________________________________.
3. The process by which different minerals melt at different temperatures is called
_____________________________________.
4. What are the 3 factors that affect the melting of rocks?
5. Magma or igneous rock that is rich in feldspars and silica and that is generally light in color is
called ________________________________________.
6. Magma or igneous rock that is rick in magnesium and iron and is generally dark in color is
called________________________________________.
7. Igneous rock that is formed underground is called __________________________________.
8. _____________________________________ is the process in which the volume and porosity of
a sediment is decreased by the weight of overlying sediments as a result of burial beneath other
sediments.
9. The process in which minerals precipitate into pore spaces between sediment grains and bind
sediment grains and bind sediments together to form rock is
called______________________________________
10. Which rock forms from the remains of plants or animals?
11. Which rock forms when fragments of preexisting rocks are compacted or cemented together?
12. A change in the texture, structure or chemical composition of a rock due to contact with magma
is called ________________________________________
13. Which rock forms when magma cools and solidifies?
14. A change in texture, structure or chemical composition of a crock due to changes in temperature
and pressure over a large area, generally as a result of tectonic forces is called
______________________________________.
15. The metamorphic rock texture in which minerals are arranged in plane or bands is called
______________________________________.
16. Which process occurs when sand particles settles out of the water or wind and deposit
sediments?
17. What takes place when water or wind loosen and carry rock fragments?
18. Layering of sedimentary rock is known as ______________________________________
19. The process by which heat, pressure or chemical processes change one type of rock to another
is called______________________________________
20. Draw the rock cycle. (25 points)
21. Draw a volcano and label the volcano, volcanic neck, lava plateau, and lava flow.
22. The series of changes in which any of the 3 major rock types of rock can be changed into
another is called ____________________________.
23. The simplified pattern that illustrates the order in which minerals crystallize from cooling
magma according to their chemical composition and melting point is called
____________________________.
24. Name the 2 processes in which sedimentary rock can be formed?
25. Label each box as either well-sorted sedimentary rock or poorly-sorted sedimentary rock.
26. Give an example of each of the major rock types.