Plate Tectonics Quiz

What are tectonic plates?

• Large pieces of the Lithosphere that move on top of the Asthenosphere

• The upper layer of Earth's mantle below the Lithosphere

• The process by which new oceanic crust forms

• The single huge supercontinent that existed millions of years ago

What is the Asthenosphere?

• The layer made up of the crust and the uppermost part of the mantle

• The upper layer of Earth's mantle below the Lithosphere

• Where two plates divide

• Where two plates slide

What is the Lithosphere?

• The process by which new oceanic crust forms

• The layer made up of the crust and the uppermost part of the mantle

• Where two plates collide

• When one tectonic plate sinks below another

What is Continental Drift?

• The process by which new oceanic crust forms

• The theory that all of Earth's continents were once joined together

• Where two plates slide

• When one tectonic plate sinks below another

What was Pangaea?

• The process by which new oceanic crust forms

• The single huge supercontinent that existed millions of years ago

• Where two plates divide

• When one tectonic plate sinks below another

What happens at Divergent Plate Boundaries?

• Two plates collide

• Two plates slide

• Two plates divide

• One tectonic plate sinks below another

What happens at Convergent Plate Boundaries?

• Two plates collide

• Two plates slide

• Two plates divide

• New oceanic crust forms

What happens at Transform Plate Boundaries?

• Two plates collide

• Two plates slide

• Two plates divide

• New oceanic crust forms

What is Seafloor Spreading?

• The process by which new oceanic crust forms

• The theory that all of Earth's continents were once joined together

• Where two plates collide

• When one tectonic plate sinks below another

What is Subduction?

• The process by which new oceanic crust forms

• The theory that all of Earth's continents were once joined together

• When one tectonic plate sinks below another

• Where two plates slide