Volcanoes Quiz Questions: Trivia Test!
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- 1.
What effect does viscosity have on a volcanic eruption?
Correct Answer(s)
It determines the explosivity of a volcano.
How loud or quiet the eruption will be. - 2.
Which of the following causes volcanoes to be explosive?
- A.
Viscosity of magma
- B.
Outside temperature
- C.
Dissolved gases
Correct Answer(s)
A. Viscosity of magma
C. Dissolved gases -
- 3.
Please check off the characteristics of Basaltic Magma that are true.
- A.
It has a low viscosity
- B.
It explodes violently
- C.
It explodes quietly
- D.
It occurs at rifts, and oceanic hot spots such as Hawaii
Correct Answer(s)
A. It has a low viscosity
C. It explodes quietly
D. It occurs at rifts, and oceanic hot spots such as Hawaii -
- 4.
Which of the following is UNTRUE about Andesitic Magma?
- A.
It has an intermediate viscosity
- B.
It has a high viscosity
- C.
It sometimes explodes violently
- D.
It is located at subduction boundaries
Correct Answer
B. It has a high viscosity -
- 5.
Which of the following in UNTRUE about Rhyolitic magma?
- A.
It has a high viscosity
- B.
It is very explosive
- C.
It is located at continental hot spots such as Iceland
- D.
It is produced by shield volcanoes
Correct Answer
D. It is produced by shield volcanoes -
- 6.
What is tephra or pyroclastic material?
- A.
Material expelled from a volcano during an eruption
- B.
The same thing as magma
Correct Answer
A. Material expelled from a volcano during an eruption -
- 7.
Which of the following is UNTRUE about Ash Fall?
- A.
It gets thrown into the atmosphere and can be blown many miles away.
- B.
Can change the global climate
- C.
They are microscopic
- D.
It can be felt globally.
Correct Answer
C. They are microscopic -
- 8.
What is UNTRUE about Lapilli or Cinders?
- A.
They are similar to pebbles
- B.
They can be 2 - 64 mm. size
- C.
They can change global climate
Correct Answer
C. They can change global climate -
- 9.
Check all of the boxes that apply to Lava Bombs.
- A.
They can be larger than 64 mm in length
- B.
Car sized ones can be thrown 1 km, while smaller ones can be thrown 1-5 km away.
- C.
Lava bombs have magma inside which explode when they hit the ground
Correct Answer(s)
A. They can be larger than 64 mm in length
B. Car sized ones can be thrown 1 km, while smaller ones can be thrown 1-5 km away. -
- 10.
Pahoehoe is slow-moving, thick and its temperatures are cooler.
- A.
True
- B.
False
Correct Answer
B. False -
- 11.
Pillow Lava forms when volcanoes erupt underwater, resulting in round masses that look like pillows.
- A.
True
- B.
False
Correct Answer
A. True -
- 12.
Aa Lava has cooler temperatures, is thick, chunky and slow moving.
- A.
True
- B.
False
Correct Answer
A. True -
- 13.
____________ are volcanic mudflows that are formed from melted __________ and ___________ at the top of the volcano. They are extremely deadly and move very fast.
Correct Answer
Lahars
Snow
Ice - 14.
__________________________ are superheated gas, ash and volcanic debris that flow down the mountain at speeds of 100 km/hr.
Correct Answer
Pyroclastic Flows - 15.
Check off all of the ways that are used to predict volcanic eruptions.
- A.
Earthquakes
- B.
Tornadoes
- C.
Gas emissions
- D.
Deformation
Correct Answer(s)
A. Earthquakes
C. Gas emissions
D. Deformation -
- 16.
Check off the following boxes that apply to explosive eruptions.
- A.
Composite volcanoes, andesitic lava, high viscosity, low temperatures, high gas content
- B.
Pyroclastic flows, ash plunes, lahars
- C.
Occurs at convergent boundaries (o-o, o-c) and at subduction zones
- D.
Occur at divergent boundaries
Correct Answer(s)
A. Composite volcanoes, andesitic lava, high viscosity, low temperatures, high gas content
B. Pyroclastic flows, ash plunes, lahars
C. Occurs at convergent boundaries (o-o, o-c) and at subduction zones -
- 17.
Check off the following boxes that apply to quiet eruptions.
- A.
Shield volcanoes, mafic lava, low viscosity, high temperatures
- B.
Lava flows, lava fountains, lava pools
- C.
Occurs at divergent boundaries and oceanic hot spots
- D.
Pyroclastic flows and lahars
Correct Answer(s)
A. Shield volcanoes, mafic lava, low viscosity, high temperatures
B. Lava flows, lava fountains, lava pools
C. Occurs at divergent boundaries and oceanic hot spots -
- 18.
Check off all of the true statements about Composite volcanoes.
- A.
Steep sides, usually explosive, pyroclastic materials and lava flows
- B.
Ex. Cascade Mountains
- C.
Basaltic Lava
- D.
Alternating layers of andesitic lava and tephra
Correct Answer(s)
A. Steep sides, usually explosive, pyroclastic materials and lava flows
B. Ex. Cascade Mountains
D. Alternating layers of andesitic lava and tephra -
- 19.
Check off all of the following false statements about shield volcanoes.
- A.
Cylindrical shape
- B.
Gently sloping sides, ONLY lava flows, quiet eruptions, mafic lava
- C.
Hawaii
Correct Answer
A. Cylindrical shape -
- 20.
Check off all of the following about Cinder volcanoes.
- A.
Steep/gentle sloping sides
- B.
Pyroclastic materials and sometimes explosive
- C.
Ex. Sunset Crater, AZ
- D.
Andesitic and mafic lava and tephra - cinders and lapilli
Correct Answer(s)
A. Steep/gentle sloping sides
B. Pyroclastic materials and sometimes explosive
C. Ex. Sunset Crater, AZ
D. Andesitic and mafic lava and tephra - cinders and lapilli -
- 21.
Calderas form from a collapsed volcano. There is a lake in the empty crater and below there is a magma chamber. Some are located at Yellowstone.
- A.
True
- B.
False
Correct Answer
A. True -
- 22.
Check off the following boundaries where Shield Volcanoes are located.
- A.
Divergent boundaries
- B.
Convergent boundaries
- C.
Oceanic hotspots
Correct Answer(s)
A. Divergent boundaries
C. Oceanic hotspots -
- 23.
Check off the following places where composite volcanoes are located.
- A.
Convergent boundaries (o-o, o-c)
- B.
Rifting
- C.
Subduction zones
Correct Answer(s)
A. Convergent boundaries (o-o, o-c)
C. Subduction zones -
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Mar 19, 2022Quiz Edited by
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Nov 13, 2011Quiz Created by
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