Layers Of The Earth Flashcards
What is the thinnest layer?
The crust averages 50 km
What state of matter is the crust?
Solid
What state of matter is the mantle
Liquid.
What state of matter is core?
Solid.
What layer is brittle and very thin?
Crust.
What layer is made of granite and basalt?
Crust
What is the composition of the mantle?
Iron
Magnesium
Calcium
Which layer is metallic, and includes iron and nickel?
Core, inner, and outer.
What creates the earths magnetic field?
When the liquid outer core spins.
What does the lithosphere consist of?
Crust, and the upper mantle
True or false, the asthenosphere is semi-solid because it is near the top of the mantle which is semi solid.
True
Why is the mesosphere a liquid?
It is the bottom of the mantle, which is a liquid.
What spins to create earths magnetic field?
The outer core
What state of matter is the outer core?
Liquid
What is the state of matter for the inner core?
Solid.
How do you form a ratio?
A. b
– = –
A. b
Cross multiply.
Ay Bxb
– = —–
A. A
Name the layers by thickness.
Crust Lithosphere Asthenosphere Outer core Inner core Mesosphere Mantle Core
What are the names of all the layers of the earth?
Crust
Mantle
Core
Lithosphere Asthenosphere Mesosphere Outer core Inner core
What are the layers by composition?
Crust mantle, core.
What are the layers by interactions?
Lithosphere Asthenosphere Mesosphere Outer core Inner core.
Name of the layers of the earth by place.
Crust -bit of lithosphere
Mantle-Lithosphere, mesosphere
Core-outer core, inner core
