GOL 105 Q1 Exam Review Flashcardizz

Front

What is the structure of Earth's core?

Back

The solid inner core is surrounded by a liquid outer core.

Front

What happens when continental and oceanic plates collide?

Back

The oceanic plate would subduct under the continental plate.

Front

What does it mean if a mineral is described as metallic?

Back

It refers to the mineral's luster.

Front

At which type of plate boundary are volcanic island arcs formed?

Back

Oceanic-oceanic (convergent) boundaries.

Front

How is new crust formed without increasing Earth's surface area?

Back

Crust is destroyed at the same time that it is created.

Front

What is the average density of continental crust?

Back

2.8 g/cm³.

Front

What is the average density of oceanic crust?

Back

3.2 g/cm³.

Front

What is subduction?

Back

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

Front

What is the difference between oceanic and continental crust?

Back

Oceanic crust is denser and thinner than continental crust.

Front

What is a rift zone?

Back

A region where tectonic plates are moving apart, often leading to volcanic activity.