The structure of the earth Flashcards
1
Q
What is a tectonic hazard?
A
A hazard caused by plate movement
2
Q
What are the characteristics of oceanic crust compared to continental crust?
A
Heavier, thinner and denser
3
Q
What is the state of lower mantle?
A
Solid
4
Q
Is the mantle thicker than the core?
A
No.
(Mantle: 2900 km; Core: 3470 km)
5
Q
Give an example of a plate containing only oceanic crust
A
Nazca plate/ Philippine plate/Cocos plate/Pacific plate
6
Q
How do plates move relatively with each other at the conservative plate boundary? (eg. N.American plate and Pacific plate)
A
They slide past each other laterally
7
Q
A