Plate tectonics vocab

Front

Hypothesis of continents moving across Earth's surface.

Back

Continental drift

Tags

NGSS.MS-ESS2-3

Front

Sections of Earth's crust that move due to convection currents.

Back

tectonic plates

Tags

NGSS.MS-ESS2-3

Front

Theory that Earth's outer part consists of rigid, moving plates.

Back

Plate Tectonics Theory

Tags

NGSS.MS-ESS2-3

Front

At plate boundaries, Earth's crust is broken and rocks slip past each other in one of 3 types of boundaries.

Back

plate boundaries

Tags

NGSS.MS-ESS2-3

Front

A plate boundary where two plates move toward each other.

Back

convergent boundary

Tags

NGSS.MS-ESS2-3

Front

A plate boundary where two plates move apart.

Back

divergent boundary

Tags

NGSS.MS-ESS2-3

Front

A plate boundary where two plates move past each other in opposite directions.

Back

transform boundary

Front

Region where an oceanic plate sinks into the asthenosphere at a convergent boundary.

Back

subduction zone

Tags

NGSS.MS-ESS2-3

Front

A deep ocean floor valley where crust sinks to the mantle.

Back

deep-ocean trench

Front

Earth's crust portion with granite, less dense than oceanic crust, 20-50 km thick.

Back

continental crust