WorksheetsVolcanoes
Total questions: 41
Worksheet time: 37mins
What does molten means?
frozen
melted
dehydrated
evaporated
What do we call hot liquid rock found below the Earth's surface?
Magma
Lava
Pumice
Volcanic cone
What do we call the massive pieces of Earth's crust that move and shift?
Magma chamber
Ocean floors
Tectonic plates
Divergent Boundaries
What do scientists call magma once it has erupted from a volcano?
Subduction
Ash
Toxic gas
Lava
How do scientists categorize a volcano that hasn't erupted for thousands of years and will not likely erupt in the future?
Active
Dormant
Extinct
None of the Above
What do we call the horseshoe-shaped string of volcanoes at the edges of the Pacific Ocean?
The Volcanic Chain
The Ring of Fire
Lava Circle
Ash Corridor
What is Earth's crust?
the solid rock that forms the outer layer of Earth
hot, melted rock
a bowl-shaped area at the top of a volcano
An underground pool of magma.
magma chamber
pipe
vent
lava flow
The opening that magma and gases flow through at the earth's surface.
magma chamber
pipe
vent
lava flow
A bowl shaped area that forms around the vent.
vent
landslides, mudslides, avalanches
pressure
crater
Natural disasters volcanoes can create.
vent
landslides, mudslides, avalanches
pressure
crater
Dissolved gases in the magma expand creating bubbles that force the magma through the pipes until it explodes out of the vent.
vent
landslides, mudslides, avalanches
pressure
crater
Heated groundwater that collects in a pool, contains dissolved gasses and other minerals.
explosive eruption
Hot Springs
quiet eruption
Geysers
Aside from its effects to human and animal safety, Volcanic gases have huge impact on:
Agriculture
Environment
Livelihood
Villages
Property
A divergent boundary occurs where plates ....
Pull apart
Come together
Slide past each other
subducting
Rock at the mid ocean ridges...
is the oldest rock on the earth.
is older than continental rock.
is younger than continental rock.
Mid-ocean ridges can be found in
the Atlantic and Pacific Oceans
the Pacific and the Indian Oceans
all of Earth's oceans
only the Atlantic Ocean
Mid-ocean ridges are formed along a divergent boundary under the water.
True
False
Where plates pull away from each other
Transform Boundary
Convergent Boundary
Divergent Boundary
Plates collide with one another
Transform Boundary
Convergent Boundary
Divergent Boundary
A(n) _____is an underwater mountain chain.
mid-ocean ridge
subduction zone
fault zone
__________ are formed when two continental plates collide.
Volcanoes
Strike-slip faults
Mountain ranges
Rift valleys
In Seafloor Spreading, molten material rises from the mantle and erupts or flows out
along the edges of all the continents
in the deep ocean trenches
along mid-ocean ridges
in the north and south poles
