Volcanos or Hotspots
Volcano:
What is a Volcano?
A mountain that has hot magma flowing out of it.
Ring Of Fire:
Is the ring of fire around the Pacific ocean?
Yes
Does a Volcanic or Continental Island form under water?
Volcanic
Locations (Geographic):
Where is Mount Saint Helens?
North America
Impact on surrounding areas:
What it lahars.
Lahars is a destructive fast flowing waves of mud and debris. They can bury entire towns.
Hotspot:
are hotspots big?
Yes
Ring of Fire:
Does the ring of fire form below subduction zones?
No, it formed Above subduction zones
Fill in the blank:
A divergent boundary is when two plates _____ ______ from each other.
Pull apart.
What is the difference between magma and lava?
magma is molten rock in the mantle. lava is magma when it flows out.
Major Volcanic Event In History:
How many volcano are in the Ring of Fire.
450 in the ring of fire.
Volcano:
Are Volcanoes only on Earth?
No, they are also on Mars, Venus, and Jupiter
Seafloor Spreading:
The process that creates new seafloor as plates move away from each other at the ________ ridge.
Mid-ocean
Does a Continental or Volcanic Island form when a piece of land breaks off of another piece of land?
Continental Island
what comes out of a volcano when it erupts?
lava, ash rock and Volcanic gasses
Impact on surrounding areas:
True or False
Active plate margin are often the site of earthquakes.
True
Hotspot:
Is a hotspot a volcano on top of the ground?
No, they are in ground
Seafloor Spreading:
True or False
Active plates margins are often the site of a volcanos.
True
A Volcanic Island is formed when builds up over millions of years and eventually grows over sea level
layers of rock
what is a hotspot?
Norm moving part of the Earth's mantle that gets very hot.
Major Volcanic Event In History:
TRUE OR FALSE:
Is it true that it became very light in Spokane, Washington after a volcano?
False, it became very dark after a volcano
Volcano:
TRUE OR FALSE!!! Can volcanoes form from a subduction zone?
Yes they can!
True Or False:
True or False the East Pacific Rise is not a site of major seafloor spreading in the ring of fire.
False it is a site of major seafloor spreading in the ring of fire.
Convergent boundary:
True or False
In a convergent boundary the plates move apart from each other.
False the move towards each other.
Locations (Geographic):
Where are Volcanoes usually at?
Hawaii
Impact on Surrounding areas:
Fill in the blank:
Volcanoes can damage ______ and ________.
Life and property