Layers
Top layer of the Earth.
What is crust
Which "sphere" is found in the upper layer of the mantle.
Asthenosphere
Name the SUPER CONTINENT.
Pangeae
_____________ ___________is where tectonic plate converges with less dense lithosphere of a second plate.
Subduction Zone
What rises at the subduction zone?
Magma
____________ & ___________ make up the CRUST
Oceanic Crust and Continental Crust
Which "sphere" is found at the crust and upper most solid mantle?
Lithosphere
What caused Pangeae to break apart?
Convection Currents
The most extensive chain of mountains is ______________ ______________
Mid-Ocean Ridge
What evidence leaves scientists to believe the Pangeae Theory?
Fossils and the puzzle like way the continents could connect.
This layer is flows
Mantle
True or False
Litho comes from the Greek word rock
True
Who studied Pangeae and came up with its theory?
Alfred Wegner
True or False, 90% of the Mid-ocean Ridge is under sea water.
True
Thickest layer of the Earth is the...
Mantle
2 main metals that make up the inner and outer core.
Nickel and Iron
What type of plates are found in the lithosphere?
Tectonic
________________ is the point where 3 tectonic boundary plates meet.
Triple Junction
The mid-ocean ridge was formed by ___________ ___________
Plate Tectonics
This layer is a solid iron ball...
Inner Core
Name the 4 layers of the Earth in Order
Crust, Mantle, Outer Core, Inner Core
True or False the temperature below the lithosphere is extremely cold.
False *molten metal flows due to extreme heat
In a Triple Junction the 3 boundaries that meet would be ___________, ____________, or _____________.
Ridge, Trench, or Transform Fault.
What boundary does the mid-ocean ridge spread across?
Divergent
The thinnest layer of the Earth...
Crust