Plate Boundaries Flashcard

Front

What type of plate boundary causes rift valleys?

Back

Divergent boundaries cause rift valleys.

Front

Where are the youngest rocks found on the ocean floor?

Back

The youngest rocks are found near the mid-ocean ridge.

Front

What type of plate boundary is the East Africa Rift Valley an example of?

Back

The East Africa Rift Valley is an example of a divergent plate boundary.

Front

What land feature is typically formed at convergent boundaries?

Back

Trenches are typically formed at convergent boundaries.

Front

Which type of crust is denser: oceanic or continental?

Back

Oceanic crust is more dense than continental crust.

Front

What is a transform boundary?

Back

A transform boundary is where two tectonic plates slide past each other horizontally.

Front

What geological feature is formed at divergent boundaries?

Back

Mid-ocean ridges are formed at divergent boundaries.

Front

What happens at convergent boundaries?

Back

At convergent boundaries, tectonic plates move towards each other, leading to subduction or mountain formation.

Front

What is subduction?

Back

Subduction is the process where one tectonic plate moves under another and is forced into the mantle.

Front

What is the significance of the mid-ocean ridge?

Back

The mid-ocean ridge is significant as it is the longest mountain range in the world and is a site of seafloor spreading.