UNIT 3 REVIEW (COMP SCI 2)

Front

What is the Pacific Ring of Fire?

Back

A region where earthquakes and volcanic activity occur, located at the boundaries of tectonic plates.

Front

What is a limitation of using a layered column of liquids to represent Earth's layers?

Back

The relative thickness of the layers is not accurate.

Front

In which layer of the Earth do convection currents occur?

Back

Mantle.

Front

What causes convection currents in the Earth's mantle?

Back

Heat from Earth's mantle and core.

Front

Why does oceanic crust sink beneath continental crust at a subduction boundary?

Back

The oceanic crust has a greater density.

Front

What are tectonic plates?

Back

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

Front

What is subduction?

Back

The process where one tectonic plate sinks beneath another.

Front

What is the lithosphere?

Back

The rigid outer layer of the Earth, consisting of the crust and upper mantle.

Front

What is the mantle?

Back

The layer of the Earth between the crust and the core, where convection currents occur.

Front

What is the core of the Earth?

Back

The innermost layer of the Earth, composed of a solid inner core and a liquid outer core.