Plate Tectonics 2

What is the most common rock found in continental crust?

• Granite, a sedimentary rock

• Granite, an igneous rock

• Basalt, a sedimentary rock

• Basalt, an igneous rock

Compared to oceanic crust, continental crust is...

• Thicker and more dense

• Thicker and less dense

• Thinner and more dense

• Thinner and less dense

The convection currents that move the tectonic plates are believed to be located in the...

• Lithosphere

• Asthenosphere

• Outer Core

• Inner Core

Using your reference tables, what types of plate boundaries are represented by points Y and Z?

• Y- convergent, Z- divergent

• Y- convergent, Z- transform

• Y- divergent, Z- convergent

• Y- divergent, Z- tranform

At which location is one tectonic plate moving underneath another tectonic plate?

• A

• B

• C

• D

At which location would the youngest crust be found? 

• A

• B

• C

• D

The diagram shows a pattern of magnetic field reversals preserved in the igneous bedrock of the oceanic crust east of the Mid-Atlantic ridge. Which diagram best represents the magnetic field pattern WEST of the Mid-Atlantic ridge?

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Which of the following processes/features is typically found at a divergent plate boundary?

• Trenches

• Subduction

• Mid-oceanic ridges

• Sinking convection currents

Which of the following processes/features is typically found at a convergent plate boundary?

• Trenches

• Rift valleys

• Mid-oceanic ridges

• Rising convection currents

In which cross section do the arrows best show the convection occurring within the asthenosphere beneath line XY? HINT: Page 10 of the ESRT can help you!

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