Google “Introduction to Physical Geology Online Quiz”
Navigate to: Chapter 3 Quiz
Omit #5, 6, 7, 9, 10, 12, 13, 14 and 19
Chapter 4 quiz
Omit #9 only
Complete the flashcard volcano activity on the left menu bar
Navigate to:
http://phschool.com/webcodes10/index.cfm?fuseaction=home.gotoWebCode&wcprefix=cua&wcsuffix=3100
Take the quiz (Omit #1, and #5)
Navigate to: Chapter 3 Quiz
Omit #5, 6, 7, 9, 10, 12, 13, 14 and 19
Chapter 4 quiz
Omit #9 only
Complete the flashcard volcano activity on the left menu bar
Navigate to:
http://phschool.com/webcodes10/index.cfm?fuseaction=home.gotoWebCode&wcprefix=cua&wcsuffix=3100
Take the quiz (Omit #1, and #5)
Geology 12 Test
Igneous Rocks and Volcanism
Igneous Rocks and Volcanism
Name: _________________
1. |
_______ igneous rocks are silica-deficient but rich in iron and magnesium.
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2. |
A ________ igneous rock is one in which larger crystals are enclosed in a groundmass of much finer-grained material.
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3. |
______ is the predominant igneous rock of the continents.
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4. |
Igneous rocks may be either ____ if they form on or near Earth's surface, or ___ if they solidify under ground.
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5. |
________ are cavities in extrusive rocks resulting from gas bubbles in the lava.
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6. |
______ are extremely coarse-grained with crystal up to 10 metres across.
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7. |
Most of the gas released during a volcanic eruption is ___.
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8. |
Vesicles would be expected in _______.
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9. |
The last volcano to erupt in the continental 48 US states was ___.
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10. |
A _________ is a volcanic depression much larger than the original crater, formed when the volcano collapses into a vacated magma chamber.
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11. |
The Roman city of _____ was destroyed by the eruption of Vesuvius in 79 AD.
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12. |
______________________ are rocks placed in an order of increasing silica content.
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13. |
A ______ is an intrusive structure that formed within the "throat" of a volcano.
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14. |
The most common minerals in a granite are the _______.
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15. |
The extrusive equivalent of gabbro is _______
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16. |
Igneous rocks that are silica-rich with high aluminum, sodium, and potassium are _____ rocks.
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17. |
Scoria is highly vesicular ____ that makes a glass sound when dropped on a table.
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18. |
A _________ , a mixture of gas and volcanic debris, may blast out laterally under a viscous plug capping a volcano.
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19. |
A hotter magma tends to be a ___ magma, assuming all other conditions are the same.
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20. |
______ igneous rocks, like gabbro and basalt, are silica-deficient with high magnesium and iron.
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21. |
Fine-grained igneous rocks (grains less than 1.0 mm) that have small grains cooled rapidly and are likely to be ________.
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22. |
Because _____ magmas are the most viscous they are associated with the most violent eruptions.
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23. |
Ultramafic igneous rocks are composed almost entirely of ___.
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24. |
________ is a frothy volcanic glass with so much void space that it can actually float.
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25. |
The coarse-grained equivalent of basalt is a(n) _______.
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26. |
Igneous rocks that contain large crystals surrounded by finer-grained crystals or glass are called _________.
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27. |
Shield volcanoes have ___ bases and ___ inclined slopes.
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28. |
_____ rocks have coarse crystals in a fine-grained matrix.
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29. |
___ is a coarse-grained igneous rock (grains larger than 1 mm diameter) with visible grains of quartz.
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30. |
The term ___ is used for molten rock on the Earth's surface.
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31. |
A(n) _______ is a mix of gas and dust emitted by a volcano that is so dense that it hugs the ground.
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32. |
A _______ is a tabular (thin but large area) intrusive body that is concordant (parallel to the host rock structure).
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33. |
A _____ volcano is composed of alternating layers of pyroclastic fragments and solidified lava flows.
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34. |
The _____ the lava, and the greater the amount of gas trying to escape, the more violent the eruption.
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35. |
Label the features of a typical Volcano in the table below.
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36. |
Complete the table below related to the differences between the three types of Volcanoes
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37. |
Place the following Igneous rocks in the table below according to their characteristics. Choose from: (Basalt, Rhyolite, Diorite, Granite, Andesite and Gabbro)
List five minerals that are the ingredients to make an Igneous rock. |
Answer Key
1. | D |
2. | D |
3. | B |
4. | C |
5. | C |
6. | D |
7. | B |
8. | D |
9. | D |
10. | B |
11. | B |
12. | A |
13. | A |
14. | C |
15. | B |
16. | A |
17. | A |
18. | A |
19. | B |
20. | C |
21. | A |
22. | A |
23. | C |
24. | C |
25. | B |
26. | C |
27. | B |
28. | E |
29. | B |
30. | A |
31. | A |
32. | D |
33. | B |
34. | A |
35. |
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36. |
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37. |
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