Plates
The Cascades mountain range was formed as a result of this type of plate boundary
What is a convergent plate boundary?
A common cause of tsunamis
What are earthquakes
a cause of volcanos in the middle of plates
What are hotspots
Earths most outer solid layer
What is the earths crust
The feature that is formed when 2 oceanic plates pull apart
What is a ridge?
The material that makes up continental plates
what is granite
a fault located in California, often causing large earthquakes
What is the San Andreas fault
Most recent volcano eruption in mainland North America
What is Mt St Helens?
The layer under the earths crust
what is the mantle
The circular motion of a substance due to warm parts rising and colder parts sinking.
What is convection?
the more dense type of plate
What are oceanic plates
The largest magnitude earthquake ever recorded
What is 9.5
At a subduction zone, the 2 types of plate that converge
What is continental and oceanic?
the name of the center of the earth
What is earths core?
A theory that claims the continents moved apart from one super continent
What is continental drift?
The amount of major tectonic plates
What is 7
Earthquakes are most common along this type of plate boundary.
What is a transform plate boundary
The location of a hotspot in mainland North America.
Where is Yellowstone?
This layer below the Earth's crust is made up of slightly softened rock with silly putty like consistency.
What is the mantle?
This type a rock means "to change form"
What is metamorphic rock?