Plate Tectonics Quiz

Who proposed the theory of continental drift?

• Alfred Wegener

• Marie Tharp

• Harry Hess

• Alfred Wegener and Harry Hess

What evidence did Alfred Wegener present to support his hypothesis of continental drift?

• Matching coastlines

• Similar plant and animal fossils

• Matching rock types and mountain chains

• All of the above

What did Harry Hess find evidence of?

• Mid-ocean ridges

• Sea-floor spreading

• Continental drift

• Deep-ocean trenches

What is the mechanism behind continental drift?

• Volcanism

• Subduction

• Plate motion

• Sea-floor spreading

Tags

NGSS.MS-ESS2-3

What are the long chains of underwater mountains extending the length of the ocean called?

• Rift valleys

• Deep-ocean trenches

• Mid-ocean ridges

• Volcanic island arcs

Tags

NGSS.MS-ESS2-3

What is the process called when new ocean floor forms along Earth's mid-ocean ridges?

• Sea-floor spreading

• Subduction

• Volcanism

• Plate motion

Tags

NGSS.MS-ESS2-1

What evidence supports the theory of sea-floor spreading?

• All of the above

• Paleomagnetism

• Earthquake patterns

• Measurements of the ages of ocean floor rock

Tags

NGSS.HS-ESS1-5

What causes the alternating magnetic stripes in ocean-floor rock?

• Movement of ocean floor

• Convection currents

• Volcanic activity

• Plate boundaries

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

What type of crust is denser and thinner than continental crust?

• Continental crust

• Oceanic crust

• Neither have density

• Both have the same density

What type of plate boundary is characterized by plates moving apart?

• Divergent

• Convergent

• Transform

• All of the above