Geology and Volcanoes Quiz

Geology and Volcanoes Quiz

University

34 Qs

quiz-placeholder

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Geology and Volcanoes Quiz

Geology and Volcanoes Quiz

Assessment

Quiz

Science

University

Easy

Created by

Nadya Smith

Used 4+ times

FREE Resource

34 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does viscosity refer to in the context of geology?

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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