What does viscosity refer to in the context of geology?

Geology and Volcanoes Quiz

Quiz
•
Science
•
University
•
Easy

Nadya Smith
Used 4+ times
FREE Resource
34 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The color of volcanic rocks
The resistance to flow
The temperature of magma
The age of a volcano
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which factor increases the violence of a volcanic eruption?
Higher silica content in magma
Higher temperature of magma
Lower amount of volatiles in magma
Lower iron content in magma
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of volcano is characterized by mild eruptions and forms the Hawaiian Islands?
Strato-volcanic
Cinder cone
Shield
Composite
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a characteristic feature of a cinder cone volcano?
Tall (25,000ft) and large base
Very small 200m high 300m at base
50,000 - 700,000 year life
Composed of andesite lava flow
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a lahar?
A type of lava that flows underwater
A hot or cold mixture of water and rock fragments that flows down the slopes of a volcano
A large volcanic crater formed by a major eruption leading to the collapse of the mouth of the volcano
A broad plateau formed when basaltic lava flows out of long fissures instead of central vents
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are lapilli?
Large volcanic rocks ejected during an eruption
Small basaltic rocks found on the ocean floor
Somewhat larger pyroclasts that range in size from small beads to walnuts
The molten rock that is expelled from a volcano during an eruption
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main cause of hot spots in volcanic activity?
Movement of tectonic plates over a stationary pool of magma
The subduction of one tectonic plate under another
The collision of two continental plates
The squeezing out of lava through a vent in a volcano
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