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Volcanoes

Total questions: 25

Worksheet time: 25mins

Name
Class
Date
1.

An opening, in the Earth's surface through which molten rock, gasses, and ash erupt

a)

vent

b)

lava

c)

conduit

d)

ash cloud

2.


The location beneath the vent of a volcano where molten rock (magma) is stored prior to eruption

a)

lava

b)

magma chamber

c)

side vent

d)

ash cloud

3.

 What are streams of molten rock that pour or ooze from an erupting vent?

a)

lava flow

b)

magma chamber

c)

conduit

d)

ash cloud

4.

Name the part of the volcano labeled f

a)

side vent

b)

magma chamber

c)

conduit

d)

lava flow

5.
Question Image

Match the following.

a)

Largest type of volcano

1.

Shield Volcano

b)

Lava underground

2.

magma

c)

Determine the explosiveness of a volcano

3.

silica and water content

d)

Has quiet and explosive periods

4.

Composite Volcano

e)

Erupted in 1980

5.

Mount St. Helens

6.

Label this image

7.

What is an opening in the side of a volcano through which volcanic materials ( lava and gasses) erupt.


a)

lava

b)

magma chamber

c)

side vent

d)

ash cloud

8.



What is an underground passage which magma travels through.

a)

lava

b)

magma chamber

c)

conduit

d)

ash cloud

9.


What is a mixture of rock, mineral, and glass particles expelled from a volcano during a volcanic eruption.

a)

lava flow

b)

magma chamber

c)

conduit

d)

ash cloud

10.

Hot magma under the Earth’s surface is under __________.

a)

pressure

b)

water

c)

temperature

d)

ice

11.

Name the part of the volcano labeled a

a)

ash cloud

b)

magma chamber

c)

vent

d)

conduit

12.

Name the part of the volcano labeled b

a)

ash cloud

b)

magma chamber

c)

vent

d)

conduit

13.

Name the part of the volcano labeled c

a)

ash cloud

b)

magma chamber

c)

conduit

d)

lava flow

14.

Name the part of the volcano labeled d

a)

side vent

b)

magma chamber

c)

conduit

d)

lava flow

15.

Name the part of the volcano labeled e

a)

side vent

b)

magma chamber

c)

conduit

d)

lava flow

16.

The simplest types of volcanoes are ________

a)

composite

b)

cinder cone

c)

shield

d)

lava dome

17.

Volcanoes created when the escaping lava collects around the edges of the opening.

a)

composite

b)

cinder cone

c)

shield

d)

lava dome

18.

These are also called stratovolcanoes, they are cone-shaped volcanoes built from many layers of lava,

a)

composite

b)

cinder cone

c)

shield

d)

lava dome

19.

A broad rounded volcano that is built up from many layers of lava.

a)

composite

b)

cinder cone

c)

shield

d)

lava dome

20.

The chain of volcanoes that outlines the Pacific Ocean

a)

Mauna Loa

b)

Ring of Fire

c)

Pahoehoe

d)

Dungeons and Dragons

21.

Largest volcano on the Earth

a)

Mauna Loa

b)

Ring of Fire

c)

Pahoehoe

d)

Dungeons and Dragons

22.

The following image is an example of what type of volcano?

(La siguiente imagen es un ejemplo de ¿qué tipo de volcán?)

a)

Shield

b)

Cinder Cone

c)

Composite

d)

Spatter Cone

23.

What part of the volcano is represented by the number 8 on the following image? (¿Qué parte del volcán está representada por el número 8 en la siguiente imagen?)

a)

Dike

b)

Sill

c)

Throat

d)

Flank

24.

What type of volcano is characterized by a broad, gently sloping dome formed by the eruption of low-viscosity lava?

a)

Composite volcano

b)

Cinder cone volcano

c)

Shield volcano

d)

Lava dome volcano

25.

Which of the following is a primary factor that determines the explosiveness of a volcanic eruption?

a)

The amount of water vapor in the magma

b)

The color of the lava

c)

The altitude of the volcano

d)

The time of year