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VOLCANISM
VOLCANISM
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A QUIZ ABOUT VULCANISM
Flashcards
15 cards
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Questions
15
Answers
1
Crater Lake in Oregon is an example of:
a volcanic bomb
a cinder cone
a caldera
a shield volcano
2
Which type of volcano is not commonly composed of basalt?
composite volcano
spatter cone
cinder cone
shield volcano
3
A typical example of a shield volcano is:
Hawaii
Mt.St. Helens
Mt Pinatubo
Mt.Ranier
4
Submarine eruptions of volcanoes:
cannot occur because of water
form pillow basalts
have never been observed
none of these
5
Where we found stratovolcanos
oceans
continent
6
Magma with a high silica content tends to be
very viscous
very smelly
very hot
also very unwelcome at a party
7
Which of the following does not affect the viscosity of magma?
silica content
temperature
all of these affect the viscosity of a magma
amount of gases
8
Which planet is not known to have volcanoes?
Saturn
Venus
Earth
Mars
9
Magma is:
all of these
the source of all igneous rocks
melted rock
the reason volcanoes form
10
where we found shield volcanoes
oceans
continents
11
Magma with a large amount of dissolved gases tends to be:
very explosive
really truly very unwelcome at a party
very messy
very viscous
12
Which of these is not a common gas in magma?
methane
carbon dioxide
sulfur dioxide
water vapor
13
Magma extruded at high temperatures tends to be:
very explosive
very viscous
very fluid
very unwelcome at a party
14
The asthenosphere is:
completely molten.
the source of most magmas.
all of these.
heated by the presence of magma.
15
The most common type of volcano in the "Ring of Fire" is:
a cinder cone
a composite volcano :
a shield volcano
a volcanic fissure
