The Layers
Name the 3 layers of the Earth
Crust, Mantle, Core
means "all earth" or "all land"
Pangaea
transform
__________________ : when magma forcefully flows up and out of a volcano.
erupt
the shaking of the earth's crust
earthquake
What layer is the hottest?
inner core
The process of forming new oceanic crust is called?
Seafloor spreading
What boundary is occurring when 2 plates come together?
convergent
When magma flows out of a volcano, it is now called ?
lava
A large crack in the earths crust?
fault
Which layer is the outermost?
crust
Name the 2 types of crust.
oceanic and continental
Name the 3 types of boundaries
convergent, divergent, transform
A volcano that erupts all the time is an _____________ volcano.
active
Most earthquakes occur along what? (large cracks in earths crust?
faults
Which layer contains magma?
Mantle
When two plates move apart, the empty space is called a?
rift
What boundary is occurring when 2 plates move apart?
divergent
A volcano that has not erupted in 200 or more years is ________________________.
dormant
A large wave that is triggered by ocean floor quakes is a __________________________.
tsunami
What layer are convection currents in?
Mantle
Where are plates located in the earth?
Lithosphere
Which type of boundary may cause earthquakes?
transform
A volcano that has not erupted in hundreds of years and all magma has hardened is _________.
extinct
The __________________________ is the place directly above and earthquakes focus on the earth’s surface.
epicenter