How is the Earth Changing? Flashcard 2 Review 2022

Front

What is the process that helps move tectonic plates in the mantle?

Back

Convection

Front

What type of boundary occurs when two tectonic plates spread or move apart?

Back

Divergent

Front

Which type of crust will subduct when two tectonic plates converge?

Back

Oceanic

Front

What geological features result from the convergence of two oceanic plates?

Back

Formation of a deep sea trench and island volcanoes

Front

What is the process called that creates new crust at a divergent oceanic boundary?

Back

Seafloor Spreading

Front

What is the term for the movement of tectonic plates due to convection currents in the mantle?

Back

Plate Tectonics

Front

What is subduction?

Back

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

Front

What is a convergent boundary?

Back

A boundary where two tectonic plates collide or move towards each other.

Front

What is a transform boundary?

Back

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

Front

What is continental drift?

Back

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