Plate Tectonics and Earth Interior

Front

Oceanic plates are pushed into the upper mantle in:

Back

Subduction Zones

Front

Hypothesis of continents moving to current locations:

Back

Continental Drift

Front

The lack of an explanation for continental drift led to skepticism about a supercontinent called _____________.

Back

Pangaea

Front

Densest layer of the Earth?

Back

Inner Core

Front

Epicenter of an earthquake:

Back

Location on the surface directly above where the earthquake occurred.

Front

Earthquakes occur at cracks in Earth’s crust called:

Back

Faults

Front

Scale measuring earthquake damage based on observations.

Back

Mercalli Scale

Front

Plate boundary type?

Back

Divergent

Front

Force driving tectonic plate movement

Back

Convection currents

Front

Convection currents moving tectonic plates occur in which layer?

Back

Asthenosphere