Plate Tectonics & boundaries Review Flashcard 2025

Front

What is a deep-ocean trench?

Back

A deep valley in the ocean floor.

Front

What type of boundary is most associated with earthquakes?

Back

Transform boundary.

Front

The slow movement of the continents over Earth’s surface is called?

Back

Continental drift.

Front

A boundary where two plates move past (slip by) each other in opposite directions is called?

Back

Transform boundary.

Front

The preserved remains or traces of living things are called?

Back

Fossil.

Front

What is a tectonic plate?

Back

Large sections of the Earth's lithosphere that move and interact with each other.

Front

What is sea-floor spreading?

Back

The process by which new oceanic crust is created at mid-ocean ridges.

Front

What is a convergent boundary?

Back

A boundary where two tectonic plates collide.

Front

What is a divergent boundary?

Back

A boundary where two tectonic plates move away from each other.

Front

What is subduction?

Back

The process where one tectonic plate moves under another plate.