True or False
Oceanic-Oceanic is convergent boundaries.
True
100
Divergent boundaries move ______ from each other
Away
100
What is transform boundaries?
Two plate tectonics sliding horizontally against each other
100
What is a volcano?
Openings in the earth's crust through which molten lava, ash, and gases are ejected
100
What is an Abyss?
Vast space under deep ocean water
200
Convergent boundaries occur when two tectonic plates are moving toward eacher other. When two plates collide the _______ plate descends below the less _______ plate.
Dense
200
Divergent boundaries form this type of land formation.
Ridges
200
What does a transform boundary create?
Faults
200
How long does it take for a volcano to form?
Approximately 10,000-500,000 years
200
What is the deepest trench?
Marianas Trench
300
What is formed when oceanic-oceanic plates subduct? zones>
Trenches
300
What causes a divergen boundary?
High heat flow
volcanos
earthquakes
300
What are results of a transform boundary?
Earthquake
300
Why does earth move volcanoes?
In order to release heat
300
What process of an oceanic-oceanic boundary forms volcanic arcs?
Subduction
400
What are the main two elements that cause the oceanic plates to subduct?
Iron and magnesium
400
On what DRY land mass has divergent boundaries formed?
African Great Rift Valley
400
What type of plate is a transform boundary located on?
Continental
400
What is the greatest example (geologic feature) of volcanic activity on earth and what is it's purpose?
Ring of Fire is a direct result of plate tectonics and the movement and collision of lithospheric plates
400
How old is Marianas Trench?
155 million years old
500
What is the term used for mountain building in convergent boundaries?
Orogeny
500
What is a real life example of a divergent boundary?
Mid Atlantic Ridge
500
What are the lines of latitude and longitude of the San Andres Fault
35.1167 degrees North
110.65 degrees /West
500
When a volcano erupts what characterics are caused by its electrical charge?
Large volcanoes erupt and emits gases into the atmosphere and cause lightning