Plate Boundaries
Theory
Volcanoes
Earthquakes
Mixed Bag
200
When two plates are colliding this type of boundary is formed.
What is Convergent
200
How created the Theory of Plate Tectonics?
Who is, Alfred Wegner.
200

What plate movement causes volcanic eruptions?

Where plates move away from each other at spreading or divergent plate margins. Or when subduction occurs. 

200
What causes earthquakes to occur?
When rock underground suddenly breaks along a fault.
200

Are there any volcanoes located in the State of Maine

no

400
When two tectonic plates are pulled away from each other, this is called?
What is a divergent plate boundary
400
What does the theory of Plate Tectonics state?
What is , At one point the continents were one giant super continent before separating and moving to the current location.
400

What geologic process allows Volcanoes to be formed as volcanic mountains or island arcs?

Subduction 

400

Where do Earthquakes generally occur?

Along Plate boundaries. 

400

where is the heaviest concentration volcanoes located.

Ring of Fire- Pacific Ocean 
600
Define, plate boundary.
What is where two plates meet each other.
600
What is some evidence for the Theory of Plate Tectonics?
What is 1) The Continents fit together like puzzle pieces 2) similar fossils and different continents.
600

Who is the governmental agency that studies Vc's?

The USGS Volcano Hazards Program monitors volcanoes.

600
How are earthquakes monitored?
Seismology uses a similar principle to map the structure of rocks beneath the Earths surface.
600

Along what plate boundary do hot spots form?

They form within a plate, not within a plate boundary. 

800

What is it called when two tectonic plates move past each other while in contact?

What is a Transform

800

What creates new sea floor?

Mid Ocean Ridges

800

What are signs that a volcano might erupt?

Earthquakes, gas leaks, mini-explosions. 

800

What is the name of the scale Seismologists use to measure earthquakes?

Richter Scale 

800

Do subduction zones create new land?

No, they destruct land. 

1000
When plate boundaries move, what often occurs
What is earthquakes?
1000
Who created the Theory of Sea Floor Spreading?
What is Alfred Wegener
1000

What are stratovolcanoes most dangerously known for?

Pyroclastic Flows or Ash Clouds. 

1000

What is the effect of earthquakes occur in the ocean?

What is a tsunami or a tidal wave

1000

What violent volcano erupted in the state of Washington on May 18th 1980?

Mt. Saint Helens. 

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