Plate Tectonics vocab flashcardz

Front

What is an ocean trench?

Back

An undersea valley that represents one of the deepest parts of the ocean.

Tags

NGSS.MS-ESS2-3

Front

What is a Mid-Ocean Ridge?

Back

An undersea mountain chain where new ocean floor is produced; a divergent boundary under the ocean.

Front

What is a Reverse Fault?

Back

A type of fault where the hanging wall slides upward; caused by compression in the crust.

Tags

NGSS.HS-ESS1-5

Front

What is a Convergent Boundary?

Back

A plate boundary where two plates move towards each other.

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

Front

What is sea-floor spreading?

Back

The process by which molten material adds new oceanic crust to the ocean floor.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Front

What is a Normal Fault?

Back

A type of fault where the hanging wall slides downward; caused by tension in the crust.

Front

What is a Transform Boundary?

Back

A plate boundary where two plates slide past each other horizontally.

Front

What is Subduction?

Back

The process where one tectonic plate moves under another plate and sinks into the mantle.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Front

What is the lithosphere?

Back

The rigid outer layer of the Earth, consisting of the crust and upper mantle.

Front

What is the asthenosphere?

Back

The semi-fluid layer of the mantle beneath the lithosphere that allows tectonic plates to move.

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-3