WorksheetsTypes of Volcanic Eruptions
Total questions: 9
Worksheet time: 7mins
A composite volcano _____
is built from layers of lava and volcanic ash.
consists primarily of cinders and volcanic rock.
composed almost entirely of thin lava.
A cinder cone volcano _____
is built from layers of lava and volcanic ash.
consists primarily of cinders and volcanic rock.
composed almost entirely of thin lava.
A shield volcano _____
is built from layers of lava and volcanic ash.
consists primarily of cinders and volcanic rock.
composed almost entirely of thin lava.
A volcanic eruption can be either _____.
explosive or gentle
explosive or violent
explosive or smooth
explosive or a geyser
How is a composite volcano similar to the other types of volcanoes?
It has gentle slopes like a cinder cone volcano and steep slopes like a shield volcano.
It erupts gently like a cinder cone volcano and erupts explosively like a shield volcano.
It has layers of ash like a cinder cone volcano and has layers of lava like a shield volcano.
It has free-flowing lava like a cinder cone volcano and erupts in fragments like a shield volcano.
What is the primary cause of caldera formation during an eruption?
emptying of the magma chamber
explosive eruption
rapid degassing
mixing of mafic and felsic lavas
The eruption of a large volcano would most likely contribute to _____.
a short-term temperature increase
a short-term temperature decrease
a long-term temperature increase
a long-term temperature decrease
Which of the following is the correct order of the effects of a large volcanic eruption?
Some of the sun's energy is blocked; gas and ash are released; the result is a cooling effect.
Gas and ash are released; some of the sun's energy is blocked; the result is a cooling effect.
Carbon dioxide causes the climate to warm; some of the sun's energy is blocked; the result is a cooling effect.
Gas and ash are released; some of the sun's energy is blocked; the result is a warming effect.
Which of the following is most likely to damage the largest area?
fissure eruption
an eruption from a cinder cone
an eruption that forms a caldera
lava flows from a shield volcano
