Module 1 Lesson 1 Flashcards
(9 cards)
1
Q
It is the solid outer layer of earth which consist of the crust and the uppermost part of the mantle.
A
Lithosphere
2
Q
It is mostly made up of basalt and granite igneous rock
A
Crust
3
Q
It made the oceanic crust
A
Basaltic rock
4
Q
It made the continental crust
A
Granitic rock
5
Q
The crust extends about _______deep
A
80km to 150km
6
Q
The part of the upper mantle that behaves like plastic
A
Asthenosphere
7
Q
“The plasticity of the asthenosphere allowed the plates to glide slowly at a rate ranging from less than ___________ per year.”
A
1cm to 16cm
8
Q
“The lithosphere is divided into huge slabs of rock called___________”
A
Plates or tectonic plates
9
Q
7 Major plates?
A
•Eurasian Plate
•North American plate
•Pacific plate
•South American plate
•African plate
•Antarctic plate
•Australian plate
