Geography Tectonics Flashcards

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  • Created by: An0m4Ly
  • Created on: 05-03-23 10:52
How thick is the crust?
The crust is 60km thick
1 of 10
Which is the widest section of the earth?
The widest section of the earth is the mantle
2 of 10
How are the inner and outer core similar?
Inner and outer core are
both made up of Iron and Nickel
3 of 10
How are the inner and outer core different?
Outer core is liquid whilst inner core is solid
4 of 10
What do you call the fragments
the crust is split up into?
The fragments
the crust is split up into are called plates
5 of 10
What do you call the place where two
plates meet?
The place where two
plates meet is called a plate margin
6 of 10
How many types of crust are there?
(Name them)
There are 2 types of crust: Oceanic and continental
7 of 10
What are oceanic plates made up of and how thick are they?
Oceanic plates are made up of basalt and are 5km thick
8 of 10
What are continental plates made up of and how thick are they?
Continental plates are made up of granite and are 35km thick
9 of 10
Explain convection currents
1) Heat from the core rises upwards in the form of radiation causing molten magma to rise
2) As the magma rises, it cools back down into solid rock
3) this solid rock is denser so sinks back to the bottom
4) This repeated process of rising and cooling cau
10 of 10

Other cards in this set

Card 2

Front

Which is the widest section of the earth?

Back

The widest section of the earth is the mantle

Card 3

Front

How are the inner and outer core similar?

Back

Preview of the front of card 3

Card 4

Front

How are the inner and outer core different?

Back

Preview of the front of card 4

Card 5

Front

What do you call the fragments
the crust is split up into?

Back

Preview of the front of card 5
View more cards

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