How they form
Types of Volcanoes
Eruptions
Volcano Lingo
Volcano Effects
100
cracks or fractures along plate boundaries
What are fissures
100
smallest type of volcano, usually erupts only once.
What is cinder cone volcano
100
Lava that pours out quickly forming jagged pieces ("ouch")
What is Aa
100
magma or igneous rock that is high in magnesium and iron
What is mafic
100
mudflows made of pyroclastic material and water
What is lahar
200
increased temperature and decreased pressure
What is magma formation
200
gently sloping sides
What is shild volcano
200
smallest type of pyroclastic material
What is ash
200
Volcanoes that have not erupted in recorded history
What is extinct
200
Volcanic energy used to heat homes
What is geothermal energy
300
Mountain chains at divergent boundaries
What is mid-ocean ridges
300
Stratovolcanoes
What is Composite volcano
300
Lava that oozes, but does not travel far
What is Blocky Lava
300
Volcanoes that are not currently erupting but have erupted "recently"
What are dormant
300
Abrasive, used in soaps and face scrubs
What is pumice
400
Where most volcanoes form
What is plate boundaries
400
Composition of very runny lava
What is low silica content
400
Pebble-like bits of pyroclastic material
What is lapilli
400
Volcanoes that are in the process of erupting
What is active
400
nutrient rich soil, rocks for construction, decreases global temperatures
What is long term effects of volcanic eruption
500
Magma with a hight water content will form this kind of eruption
What is explosive
500
Columns of hot rock (Hawaii)
What is mantle plume (hot spot)
500
Easiest type of flow to escape? Why?
What is lava flow
500
The point on the surface where magma leaves the volcano's pipe
What is vent
500
Island of "fire and ice"
What is Iceland?
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