the theory that proposes that earth's outer shell consists of individual plates that interact in various ways and thereby produce earthquakes, volcanoes, mountains, and the crust itself
A German scientist who proposed the theroy of continental drift
Cause of Plate Movement
when plates move because of convection currents and the mantle
A tectonic plate boundary where two plates collide, come together, or crash into each other.
the region where an oceanic plate sinks down into the asthenosphere at a convergent boundary, usually between continental and oceanic plates
Hard but can still bend and move.
the older, thicker, and less dense part of Earth's crust; the bulk of Earth's land masses made of granite
The portion of earth's crust that primarily contains basalt, is relatively dense
Less ridiged than the lithosphere the rock is soild
Malten metal iron, nickel
scientist that studies earth crust
break in the rock
fold squeezed into a bend in the rock