4-2 Restless Continents Flashcards
1
Q
The hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present-day locations
A
continental drift
2
Q
The process by which new oceanic lithosphere forms as magma rises toward the surface and solidifies
A
sea-floor spreading
3
Q
Wegener called this single, huge continent…
A
Pangaea
4
Q
This is a place where sea-floor spreading takes place
A
Mid-ocean ridges
5
Q
When the Earth’s magnetic poles change places, this occurs
A
magnetic reversal
