An area where magma melts through the crust in the MIDDLE of a plate
An area where magma melts through the crust in the MIDDLE of a plate
What is a hot spot?
The molten mixture of rock-forming substances, gases and water deep in the Earth's mantle
The molten mixture of rock-forming substances, gases and water deep in the Earth's mantle
What is magma?
When ground water heated by a nearby body of magma rises to the surface and collects in a natural pool
When ground water heated by a nearby body of magma rises to the surface and collects in a natural pool
What is a hot spring?
Where most volcanoes occur....
Where most volcanoes occur....
What are plate boundaries?
Inside a volcano, magma collects in a pocket called
Inside a volcano, magma collects in a pocket called
What is a magma chamber?
This is a belt of volcanoes around the rim of the pacific ocean
This is a belt of volcanoes around the rim of the pacific ocean
What is the ring of fire?
The mid-ocean ridge is an example of this type of boundary
The mid-ocean ridge is an example of this type of boundary
What is divergent?
A volcano that may awaken in the future and become active
A volcano that may awaken in the future and become active
What is a dormant volcano?
When 2 oceanic plates collide, the result may be volcanoes in.....
When 2 oceanic plates collide, the result may be volcanoes in.....
What are Island arcs?
Particles from an eruption ranging from the size of a baseball to the size of a car
Particles from an eruption ranging from the size of a baseball to the size of a car
What are Bombs?
A volcano that is unlikely to erupt is called
A volcano that is unlikely to erupt is called
What is an extinct volcano?
When magma reaches the surface, it is called this
When magma reaches the surface, it is called this
What is lava?
This is a weak spot in the crust where magma comes through
This is a weak spot in the crust where magma comes through
What is a volcano?
This is the fine rocky particles that erupt from a volcano (they can be as small as a gain of sand)
This is the fine rocky particles that erupt from a volcano (they can be as small as a gain of sand)
What is Volcanic ash?
A volcano that is erupting or has shown signs that is may erupt in the future
A volcano that is erupting or has shown signs that is may erupt in the future
What is an active volcano?
These are pebble sized particle that erupt from a volcano
These are pebble sized particle that erupt from a volcano
What are cinders?
This is where magma forms
This is where magma forms
What is the athenosphere?
This is the energy obtained from the heat beneath the earth.
This is the energy obtained from the heat beneath the earth.
What is geothermal energy?
Lava produced by a quiet eruption that is fast moving and forms rope like coils
Lava produced by a quiet eruption that is fast moving and forms rope like coils
What is Pahoehoe?
This is a vertical crack in the crust through which magma can rise
This is a vertical crack in the crust through which magma can rise
What is a pipe?
If magma is DARK in color it is LOW in....
If magma is DARK in color it is LOW in....
What is silica?
This is why liquid magma flows upward through the crust
This is why liquid magma flows upward through the crust
What is because it is LESS dense than the solid material around it
If magma is THICK and LIGHT in color it is HIGH in.....
If magma is THICK and LIGHT in color it is HIGH in.....
What is silica?
Lava produced by a quiet eruption that is slower moving and forms rough jagged surfaces
Lava produced by a quiet eruption that is slower moving and forms rough jagged surfaces
What is aa?
A volcano erupts quietly if the magma is
A volcano erupts quietly if the magma is
What is thin and runny?
This type of eruption produces ash, cinder and bombs due to the forceful ejection of thick lava
This type of eruption produces ash, cinder and bombs due to the forceful ejection of thick lava
What is an Explosive Eruption?
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