How can we help?

You can also find more resources in our Help Center.

18 terms

sience

fjakl'
STUDY
PLAY
Plate Tectonics
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
Alfred Wegener
A German scientist who proposed the theroy of continental drift
Cause of Plate Movement
when plates move because of convection currents and the mantle
1 Layer
Lithosphere
2 Layer
Mantal
3 Layer
Asthenosphere
4 Layer
Core
Convergent Boundary
A tectonic plate boundary where two plates collide, come together, or crash into each other.
Subduction Zone
the region where an oceanic plate sinks down into the asthenosphere at a convergent boundary, usually between continental and oceanic plates
Plastic
Hard but can still bend and move.
Continental Crust
the older, thicker, and less dense part of Earth's crust; the bulk of Earth's land masses made of granite
Oceanic Crust
The portion of earth's crust that primarily contains basalt, is relatively dense
Asthenosphere
Less ridiged than the lithosphere the rock is soild
Outer
Malten metal iron, nickel
Inner Core
Solid metal
geologist
scientist that studies earth crust
fault
break in the rock
fold
fold squeezed into a bend in the rock