Convergent Boundaries
What direction do convergent boundaries move?
They move towards each other.
Where are divergent boundaries primarily located?
On the sea floor
How are igneous rocks formed?
When heated magma cools and solidifies.
What are the three main layers that make up the Earth?
The Mantle, the outer core, and the inner core.
What is Continental crust?
The tick part of the Earth's crust that forms its landmasses.
What can convergent boundaries help us explain?
The formation of the new lithosphere.
What direction do divergent boundaries move?
Away from each other.
What do the weathering and erosion of igneous or metamorphic rock create?
Sedimentary rocks
What element makes up Earth's superheated core?
Iron
What is Oceanic crust?
The thinner part of Earth's crust that lines the ocean floor.
What can convergent boundaries create?
New mountain ranges.
What kind of crust do divergent boundaries create?
Oceanic crust
Where would you most likely find sedimentary rocks?
At the seafloor or close to the ocean.
Order the 3 layers that make up the Earth from thickest to thinnest.
Mantle, Outer Core, Inner Core
What kind of crust is more dense? (Oceanic or Continental)
Oceanic crust
What is the zone that recycles the old lithosphere called?
The Subduction Zone
The melting of what kind of rock creates oceanic crust at divergent boundaries?
Mantle Rock
At what kind of boundary would you find a sedimentary and metamorphic rock?
Convergent boundaries
What state of matter is the Earth's inner core?
Solid
What happens to the denser crust?
It sinks below the less dense crust.
What does the subducting plate turn into when it sinks lower into the earth mantle?
Magma
What kind of rock does NOT make up a subducting plate?
Sedimentary
What happens to the metamorphic rock that makes up a subducting plate?
It melts and forms magma that cools into igneous rocks.
What is the outermost layer of the Mantle called?
The Lithosphere
How are the rock cycle and plate tectonics related?
Plate tectonics explains the location of mountain ranges and new lithosphere through a process of heating, cooling, and apply pressure to any igneous, metamorphic, and sedimentary rocks.