Volcanoes | Geology Quiz

Volcanoes

7th grade

3976 times

Geography

69%average accuracy

2 years ago

mubeena1233

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10 QuestionsShow answers

Question 1
SURVEY
30 seconds
Q. What is molten rock that has formed deep within the Earth?
answer choices
Hot Spot
Magma
Lava
Volcano
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Question 2
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30 seconds
Q. What is molten rock that has reached the Earth's surface?
answer choices
Aa
Lava
Magma
Pahoehoe
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Question 3
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30 seconds
Q. What factor(s) determine(s) whether an eruption will be explosive?
answer choices
The amount of gases in the magma
The amount of silica in the magma
The amount of gas and silica in the magma
None of these affect the explosiveness of the volcano
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Question 4
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60 seconds
Q. As magma rises towards the surface it collects in a 'room' called a _____ _____ .
answer choices
magma chamber
side vent
main vent
lava chamber
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Question 5
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60 seconds
Q. Vocanoes are found...
answer choices
on land
under water
on islands
all of the above
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Question 6
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30 seconds
Q. Where is the largest volcano?
answer choices
Africa
Indonesia
Wyoming
Hawaii
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Question 7
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30 seconds
Q. What is a volcano?
answer choices
A mountain that has lava all over it
A giant hill filled with magma
A long high sea wave
A hole in the Earth where magma erupts
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Question 8
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60 seconds
Q. The difference between magma and lava is _____
answer choices
where it is found (above or below the surface)
how hot the molten rock is (lava is hotter than magma)
the type of boundary where it forms
the viscosity of the molten rock (lava has a lower viscosity)
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Question 9
SURVEY
60 seconds
Q. Where are most volcanoes found?
answer choices
Southern Hemisphere
Ring of Fire
Mid-Atlantic Ridge
Hot Spots
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Question 10
SURVEY
30 seconds
Q. What is / are sign(s) that a volcano may erupt soon?
answer choices
Earthquake activity in the area
Changes in the shape of the volcano
Different amounts of gas being produced
All of these are signs
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