2.3 Plate margins Flashcards
1
Q
What are three processes that could happen at plate margins?
A
Constructive
Destructive
Conservative
2
Q
What is Conservative plate margin?
A
where two plates are sliding alongside each other
3
Q
What is Constructive plate margin?
A
where two plates are moving apart
4
Q
What is Destructive plate margin?
A
where two plates are moving towards one another
5
Q
Describe what happens at a constructive plate margin
A
- Magma forces its way to the surface
- it breaks through the crust and causes earthquakes
- it reaches the surface and forms volcanoes
6
Q
Describe what happens at a destructive plate margin
A
- when the plates meet they form trenches
- friction btw the two plates causes strong earthquakes
7
Q
Describe what happens at a constructive plate margin
A
- two plates moves past each other
- friction btw them causes earthquakes
8
Q
A