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WorksheetsVolcanoes
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
What is the definition of dormant?
a)
sleeping
b)
extinct
c)
active
d)
invisible
2.
What are scientists that study volcanoes called?
a)
doctor
b)
vet
c)
volcanologist
d)
volcano scientist
3.
What is the opening that extends from the magma chamber to the top of the volcano called?
a)
magma
b)
lava
c)
vent
d)
crater
4.
What is Magma when it reaches the surface of Earth?
a)
Lava
b)
Mafic Magma
c)
Felsic Magma
d)
None of these
5.
When an explosive eruption forms a mixture of hot rock, ash, and gas, this material is called a...?
a)
Land slide
b)
Lava
c)
Eruption trail
d)
Pyroclastic flow
6.
Dormant volcanoes might erupt in the future.
a)
True
b)
False
7.
What is molten rock that has formed deep within the Earth?
a)
Hot Spot
b)
Magma
c)
Lava
d)
Volcano
8.
Volcano
a)
A weak spot in the crust where magma come to the surface
b)
a large landform that stretches above the surrounding land in a limited area
c)
Liquid magma that reaches the surface
d)
a major belt of volcanoes that rims the Pacific Ocean
9.
What are the two main factors that make up lava composition?
a)
viscosity and gas
b)
viscosity and silica
c)
gas and silica
d)
gas and the type of volcano
10.
Mt. St. Helens is an example of what type of volcano?
a)
cinder cone
b)
shield
c)
composite
d)
stratovolcano
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