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Flashcards in Module 7 Deck (30)
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1

What term should be used to describe a semi-liquid hot molten rock located
beneath the Earth?
A. lava
B. sand
C. rocks
D. magma

D

2

What do you call the semi-liquid hot molten rocks found on the surface of earth
once the volcano erupts?
A. magma
B. rocks
C. sand
D. lava

D

3

What process occurs if there are formation and movement of magma under the
earth’s crust?

A. decompression melting
B. partial melting
C. heat transfer
D. flux melting

B

4

In what part of the earth does magmatism happen?

A. Asthenosphere
B. Earth’s crust
C. Earth’s core
D. Lithosphere

A

5

What are the two most abundant elements in magma?

A. oxygen and magnesium
B. silicon and aluminum
C. silicon and oxygen
D. oxygen and iron

C

6

What will happen to the temperature of rocks during partial melting?

A. decreases
B. increases
C. remains the same
D. all of the above

B

7

Which of the following is NOT a factor of partial melting?

A. addition of volatiles
B. decrease in pressure
C. an increase in pressure
D. an increase in temperature

C

8

During partial melting, which of the following minerals melt last?

A. biotite
B. quartz
C. feldspar
D. none of the above

A

9

During partial melting, which of the following minerals melt first?

A. biotite
B. quartz
C. feldspar
D. both b and c

D

10

10.Conduction in mantle happens when heat is transferred from hotter molten rocks
to the Earth’s cold crust. What process is being described?

A. flux melting
B. heat transfer
C. partial melting
D. decompression melting

B

11

11.Mantle rocks remain solid when exposed to high pressure. However, during
convection, these rocks tend to go upward (shallower level) and the pressure is
reduced. What process is being described?

A. flux melting
B. heat transfer
C. partial melting
D. decompression melting

D

12

12.When water or carbon dioxide is added to hot rocks, the melting points of
minerals within the rocks decrease. What process is being described?

A. flux melting
B. heat transfer
C. partial melting
D. decompression melting

A

13

13.During partial melting of magma, where does heat transfer take place? A.
convergent boundary
B. mid-ocean ridge
C. subduction zone
D. all of the above

A

14

14.During partial melting of magma, where does decompression melting take place?

A. convergent boundary
B. mid-ocean ridge
C. subduction zone
D. all of the above

B

15

15.During partial melting of magma, where does flux melting take place?

A. convergent boundary
B. mid-ocean ridge
C. subduction zone
D. all of the above

C

16

What process occurs if there are formation and movement of magma under
the earth’s crust?

A. flux melting
B. heat transfer
C. partial melting
D. decompression melting

C

17

What term should be used to describe a semi-liquid hot molten rocks
located beneath the Earth?
A. lava
B. sand
C. rocks
D. magma

D

18

In what part of the earth does magmatism happen?

A. Asthenosphere
B. Earth’s crust
C. Earth’s core
D. Lithosphere

A

19

What do you call the semi-liquid hot molten rocks found on the surface of
earth once the volcano erupts?
A. lava
B. sand
C. rocks
D. magma

A

20

5. During partial melting of magma, where does decompression melting take
place?

A. convergent boundary
B. mid-ocean ridge
C. subduction zone
D. all of the above

B

21

6. Which of the following is NOT a factor of partial melting?

A. addition of volatiles
B. decrease in pressure
C. an increase in pressure
D. an increase in temperature

C

22

7. When water or carbon dioxide is added to hot rocks, the melting points of
minerals within the rocks decrease. What process is being described?

A. flux melting
B. heat transfer
C. partial melting
D. decompression melting

A

23

8. During partial melting, which of the following minerals melt last?

A. biotite
B. quartz
C. feldspar
D. none of the above

A

24

9. What are the two most abundant elements in magma?
A. oxygen and magnesium
B. silicon and aluminum
C. silicon and oxygen
D. oxygen and iron

C

25

10.What will happen to the temperature of rocks during partial melting?

A. decreases
B. increases
C. remains the same
D. all of the above

B

26

11.During partial melting of magma, where does heat transfer take place?

A. convergent boundary
B. mid-ocean ridge
C. subduction zone
D. all of the above

A

27

12.Mantle rocks remain solid when exposed to high pressure. However, during
convection, these rocks tend to go upward (shallower level) and the
pressure is reduced. What process is being described?

A. flux melting
B. heat transfer
C. partial melting
D. decompression melting

D

28

13.During partial melting, which of the following minerals melt first?

A. biotite
B. quartz
C. feldspar
D. both b and c

D

29

14.During partial melting of magma, where does flux melting take place?

A. convergent boundary
B. mid-ocean ridge
C. subduction zone
D. all of the above

C

30

15.Conduction in mantle happens when heat is transferred from hotter
molten rocks to the Earth’s cold crust. What process is being described?

A. flux melting
B. heat transfer
C. partial melting
D. decompression melting

B