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Volcano
N/A
21
Science
7th Grade
03/28/2014

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Term
Volcano
Definition
an opening in the Earth’s crust that erupts gases, ash and lava
Term
Vent
Definition
opening where magma escapes
Term
Crater
Definition
steep sided depression inside of a volcano
Term
Divergent Boundaries
Definition
I.E Iceland
Term
Convergent Boundaries
Definition
– most common
- Ring of fire –Pacific rim
Term
Hot Spots
Definition
weak spots in crust
- Hawaiian Islands
Term
Eruption Factors
Definition
Am’t of dissolved gases & water vapor
- More gases more explosive
-More trapped water at convergent boundaries (from ocean)
Term
Shield Volcano
Definition
Gentle slope (mostly lava)
Term
Cinder Cone
Definition
steep slope (mostly ash)
Term
Tephra
Definition
clumps of airborne ash
Term
Composite Cone
Definition
intermediate slope (ash & lava mix)
Term
Human Impact
Definition
Lava flows cover property (Hawaii)
Term
Definition
Covered with ash (Pompeii, Italy)
Term
Definition
Poisonous gases cause acid rain
Term
Definition
Fires from burning ash or hot lava (Hawaii)
Term
What is VEI stand for
Definition
Volcanic Explosive Index
Term
What was the largest volcanic
Definition
Mt. Vernius
Term
what was the volcano that burr
Definition
Mt. Vesunius
Term
the people were buried in
Definition
ash
Term
Where were the most eruption
Definition
indonish
Term
what is the largest volcano in the world
Definition
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