WorksheetsVolcanoes
Total questions: 15
Worksheet time: 10mins
A volcano that has not erupted in the past 10,000 years but may erupt again at some time in the distant future is
active
dormant
explosive
extinct
The huge hole, or depression, left by the collapse of a volcanic mountain is called a
lava plateau
caldera
cinder cone
shield volcano
If geologists detect many small earthquakes and an increased amount of heat and gasses being released in the area near a volcano, what can they infer about the volcano?
It is dormant
It is probably about to erupt
It is extinct
It is a good source of geothermal energy
Highly explosive volcanoes tend to have what type of magma?
magma with high viscosity, and higher gas content
magma with low viscosity, and lower gas content
magma with high viscosity, and lower gas content
magma with high viscosity, and no gas content
The property of a liquid that indicated its resistance to flow is called its
viscosity
density
velocity
flowability
Which type of volcano has recently erupted (within the past 10,000) or will soon erupt?
Active
Dormant
Extinct
A volcano that has not erupted in the past 10,000 years and will not erupt again is considered
active
dormant
explosive
extinct
Which of the following is a tectonic process thought to form volcanoes?
Hot spots
Divergent boundaries
Subduction zones
All of the options are correct
