Interior Structure Of The Earth Flashcards
What is the chemical composition of the Earth’s rocks
Crust - Mantle- core
What is the Physical state of the Earth’s layers.
Lithosphere- Asthenosphere- Mesosphere- outer core- inner core
What is the composition of the continental Lithosphere?
Felsic
What is the composition of the oceanic lithosphere?
Mafic
What is the composition of the Mantle layer?
Ultra Mafic
What is the composition of the core?
Iron
What is the lithosphere?
Solid outer shell of the Earth. (Crust+upper Mantle)
What are plates?
Pieces of the lithosphere
Is the Asthenosphere thicker than the Lithosphere?
True
_____________ floats on the Asthenosphere?
Lithosphere
What is plate tectonics?
A theory that states that the solid outer shell of the earth is made of lithospheric fragments called plates that constantly move relative to each other.
What is the farthest humans have gone into the earth?
4km or 2.4 miles
Where do surface waves travel?
They travel along the surface of the earth
Where do body waves travel
In the interior of the earth.
Do P waves only go through solids?
False, they go through solids, liquids and gas