Seafloor Spreading

Front

What is the area where two tectonic plates meet?

Back

Plate boundary

Front

What type of plate boundary is represented by the Himalayas in Asia?

Back

Continent-to-continent convergent

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

Front

What is the name of the supercontinent proposed by Alfred Wegener?

Back

Pangaea

Front

What is a divergent boundary?

Back

A boundary between tectonic plates in which the two plates move away from each other, and new crust is created between them.

Tags

NGSS.MS-ESS2-3

Front

Why did most geologists reject Alfred Wegener's idea of continental drift?

Back

Because Wegener could not identify the force that moved the continents.

Front

What is seafloor spreading?

Back

The process by which new oceanic crust is formed at mid-ocean ridges and older crust is pushed away.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Front

What geological feature is formed at a divergent boundary?

Back

Mid-ocean ridges.

Front

What is the significance of the theory of plate tectonics?

Back

It explains the movement of Earth's plates and the geological activity associated with these movements.

Tags

NGSS.MS-ESS2-3

Front

What evidence supports the theory of seafloor spreading?

Back

Magnetic striping on the ocean floor and the age of rocks.

Tags

NGSS.MS-ESS2-3

Front

What happens at a convergent boundary?

Back

Tectonic plates move towards each other, often causing one plate to be forced beneath another.