Physical Processes Of The Ocean Flashcards
1
Q
Name the 4 layers of the interior crust and their depths in km.
A
Crust = 30-50km
Mantle = 2900km
Outer core
Inner core = 3500km
2
Q
What are the layers of the earth composed of?
A
Crust = Al, Si, O - low density
Mantle = Mg, Si, Fe, O - dense hot rocks
Outer core = molten
Inner core = Fe, Ni - solid, very dense
3
Q
What categories are the earth’s layers sorted in to?
A
Lithosphere - Crust and upper mantle - brittle
Asthenosphere - Mantle - plastic
Mesosphere - Below 350km - more rigid
Core
4
Q
What is the hydrosphere?
A
10% of earths water - oceans, lakes, rivers, ice, snow, ground water, water vapour.
5
Q
What is the atmosphere?
A
Gases - Nitrogen, Oxygen, Argon, Carbon Dioxide, Methane, Ozone, Water vapour dust
6
Q
What is the biosphere?
A
Living and non living organic matter
