plate tectonic theory Flashcards

1
Q

the lithosphere is broken up into large slaps of rock called…

A

tectonic plates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

why do the tectonic plates move?

A

due to convection currents in the asthenosphere

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what do the convention currents do?

A

push and pull the places in different directions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

how are convection currents caused?

A

when less dense magma rises, cools, then sinks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what are the edges of where plates meet called?

A

plate boundaries/margins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly