WorksheetsTypes of Volcanic Eruptions
Total questions: 10
Worksheet time: 5mins
A volcanic eruption can be either _____.
explosive or gentle
explosive or violent
explosive or smooth
explosive or a geyser
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
The calmest of the eruption types.
Hawaiian
Strombolian
Vulcanian
Surtseyan
Eruptions driven by bursting gas bubbles within the magma.
Hawaiian
Strombolian
Vulcanian
Surtseyan
It is an explosive eruption that occurs when the pressure of entrapped gases in a relatively viscous magma becomes sufficient to blow off the overlying crust of solidified lava
Hawaiian
Strombolian
Vulcanian
Surtseyan
Considered the most explosive and powerful of all eruptions.
Hawaiian
Strombolian
Vulcanian
Plinian
It is characterized by gas-driven explosion that propels magma and tephra.
Explosive Volcanic Eruption
Effusive Volcanic Eruption
