Warm-up/review: Plate Boundaries

Front

What geological process occurs at mid-ocean ridges?

Back

Sea floor spreading, where molten material rises from the mantle.

Front

What is the lithosphere?

Back

The rocky or rigid outer part of Earth, consisting of the brittle crust and the top part of the upper mantle, broken into tectonic plates.

Front

What type of plate boundary is characterized by plates sliding past each other?

Back

Transform boundary.

Front

What geological event occurs at all types of plate boundaries?

Back

Earthquakes.

Front

What are the three main types of plate boundaries?

Back

Divergent, convergent, and transform boundaries.

Front

What happens at divergent plate boundaries?

Back

Plates move apart, leading to sea floor spreading and the formation of new oceanic crust.

Front

What is a convergent plate boundary?

Back

A boundary where two plates collide, often leading to mountain formation or subduction.

Front

What is subduction?

Back

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

Front

What is the Ring of Fire?

Back

A major area in the basin of the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur.

Front

What is the difference between oceanic and continental crust?

Back

Oceanic crust is thinner and denser, while continental crust is thicker and less dense.