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The geosphere 1ºESO Flashcards | StudBud
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The geosphere 1ºESO
The geosphere 1ºESO
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A #biology quiz about the geosphere, minerals and rocks
Flashcards
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Questions
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Answers
1
A sample is taken at a depth of 4.000km What layer is it?
The crust
The mantle
The outer core
2
The geosphere is divided into 3 layers:
continental crust, outer core, inner core
crust, mantle and core
continental crust, oceanic crust, mantle
3
what is the hardness of a mineral
how a mineral reacts to being scratched
the colour of the mineral in powder form
how a mineral breaks up or cleaves
4
which minerals do not contain silicon
non-silicates
silicates
5
what are sedimentary rocks
formed by heat an pressure
formed from cooled magma, which is a mixture of melted rocks
layers that are formed when very deep sediments accumulate
6
non-silicates are classified into groups
sedimentary, metamorphic and igneous
clay minerals and feldespars
oxides, chlorides, carbonates, sulphates and sulphides
7
What are guyots
inactive underwater volcanoes with flat tops, deep ocean
underwater mountain ranges, usually thousands of km long
huge volcanic mountains on the ocean floor above sea level
8
What are continental shelves?
the submerged edges of a continent
Deep valleys carved by a river in the continental crust
a group or chain of mountains
