Planet Earth Topic 6 Volcanoes
Planet Earth: Topic 6 - Volcanes
Practice Quiz
1.
Volcanoes erupt when they become active. Until an eruption occurs, volcanoes are described
as ...
stagnant
dormant
extinct
plugged
2.
There are a number of volcanes that border the pacific ocean. These volcanes are known as
the Ring of Fire. The name comes from the fact that these volcanoes erupt with red hot lava,
fire and steam. Most volcanoes in the Ring of fire occur at ...
subduction zones
abduction zones
conduction zones
compression zones
3.
One of the most dangerous side effects of an erupting volcanoe is a ...
lava flow
ash plume
ash layer
tsunami
Planet Earth Topic 6 Volcanoes
4.
Vesuvius has been a dormant volcano since 1944, but is due for a major eruption. An added
danger, besides the major build-up of magma beneath the peak is the discovery of a rock ...
bulge
plume
vent
plug
5.
Volcanoes can cool temperatures around the world. Despite the hot temperatures and firey
destruction they can create, the lowering of world temperatures can be caused by ...
a rapid lava flow into the ocean
an ash plume causing mudflows
an ash layer in the atmosphere
a large number of tsunamis
Check your Answers
Planet Earth Topic 6 Volcanoes Answers
Planet Earth: Topic 6 - Volcanoes
Answers
1. Volcanoes erupt when they become active. Until an eruption occurs, volcanoes are described as ...
x stagnant
dormant
(Text p. 406) When volcanoes are not active, they are dormant.
x extinct
x plugged
2.
There are a number of volcanoes that border the pacific ocean. These volcanoes are known as the
Ring of Fire. The name comes from the fact that these volcanoes erupt with red hot lava, fire and
steam. Most volcanoes in the Ring of fire occur at ...
subduction zones
(Text p. 410) Most volcanoes in the Ring of Fire occur at subduction zones)
x abduction zones
x conduction zones
x compression zones
3. One of the most dangerous side effects of an erupting volcano is a ...
x lava flow
x ash plume
x ash layer
tsunami
(Text p. 406) 32,000 people died when tsunamis were triggered by the eruption of Krakatau
4.
Vesuvius has been a dormant volcano since 1944, but is due for a major eruption. An added
danger, besides the major build-up of magma beneath the peak is the discovery of a rock ...
x bulge
x plume
x vent
plug
(Text p. 407) The opening at the peak is sealed with a rock 'plug'.
5.
Volcanoes can cool temperatures around the world. Despite the hot temperatures and firey
destruction they can create, the lowering of world temperatures can be caused by ...
x a rapid lava flow into the ocean
x an ash plume causing mudflows
Planet Earth Topic 6 Volcanoes Answers
an ash layer in the atmosphere
(Text p. 410) Mt. Pinatubo cooled temperatures around the world because of the ash layer it
formed in the atmosphere when it erupted.
x a large number of tsunamis
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