Planet Earth Unit Exam

Most tectonic plates contain?

• Only continental crust

• Only oceanic crust

• Both continental and oceanic crust

• No crust

Which is a more scientific term that identifies the Earths outermost structural layer?

• Asthenosphere

• Lithosphere

• Mesosphere

• Outer core

In which layer of Earth does convection occur?

• Asthenosphere

• Oceanic crust

• Lithosphere

• Inner core

If scientists could sample Earth's inner core, they would most likely find…

• Liquid metal

• Solid metal

• Liquid rock

• Partly molten rock

Using data from seismic waves, geologists have learned that Earth's interior is made up of several

• continents

• layers

• ridges

• trenches

Which of Earth's layers is thickest?

• crust

• mantle

• outer core

• inner core

The diagram represents the movement of the mantle under the earth's crust. Which process is represented by the diagram?

• rotation
• conduction
• radiation
• convection

The hypothesis of Continental Drift was proposed by ...

• Alfred Wagen

• Harry Hens

• Harry Hess

• Alfred Wegner

What was the name of the supercontinent?

• Panorama

• Pangea

• Panamerican

• Wegener

Match the following

• transform

• 
• convergent

• 
• divergent

•