Plate Tectonics

Front

What type of plate boundary is characterized by plates moving towards each other?

Back

Convergent boundary.

Front

Who proposed the theory of sea-floor spreading?

Back

Harry Hess.

Tags

NGSS.MS-ESS2-3

Front

What is a plate boundary?

Back

The boundary between two tectonic plates.

Tags

NGSS.MS-ESS2-3

Front

What is the Earth's outermost layer called?

Back

The crust.

Front

What is subduction?

Back

The downward movement of the edge of a plate into the mantle.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-3

Front

What type of plate boundary occurs when two plates slide past each other?

Back

Transform boundary.

Front

What is the process called when tectonic plates move apart?

Back

Divergent boundary.

Front

What is the mantle?

Back

The layer of the Earth located between the crust and the core.

Front

What geological features are commonly formed at convergent boundaries?

Back

Mountains, deep ocean trenches, and volcanic arcs.

Tags

NGSS.MS-ESS2-2

Front

What is the theory of continental drift?

Back

The hypothesis that continents have moved over geological time and were once joined together.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3