9.2 Plate Movements Flashcards
Where are the plates? Types of crust. Types of plate movement. Diverging boundaries. Converging boundaries. Transform boundaries. Pre-history of Australia. Measuring plate movement.
1
Q
How many major continents are there?
A
7
2
Q
How many medium sized continents are there
A
10
3
Q
How many small sized continents are there?
A
60
4
Q
What are the 2 types of crusts
A
Oceanic & continental
5
Q
Continental crust?
A
crust forming the continents and so projects above the sea level.
6
Q
Oceanic crust?
A
heavier elements form the ocean crust but is much denser than continental crust.
7
Q
Types of plate movement
A
Diverging, Converging, Transform
8
Q
Diverging boundaries?
A
where the plates are moving apart
9
Q
Converging boundaries?
A
where the plates are colliding with each other
10
Q
Transform boundaries?
A
where the plates are sliding past each other
11
Q
Who theorised Pangea
A
Alfred wegener
12
Q
How do you measure plate movement
A
Using sonar and magnetometers
13
Q
A
