1.4 Earth's Interior

Most tectonic plates contain____________.

• only continental crust

• only oceanic crust

• both continental and oceanic crust

• no crust

Which is Earth's outermost structural layer?

• asthenosphere

• lithosphere

• mesopshere

• outer core

Geologists classify a certain section of Earth as lithosphere. Which of the following could it be?

• the inner core

• the outer core

• a convection cell

• a tectonic plate

Which layer of Earth's interior is liquid

• lithosphere

• mesosphere

• outer core

• inner core

Which is the outermost compositional layer of Earth?

• asthenosphere

• crust

• mantle

• outer core

In which layer of Earth does convection occur?

• asthenosphere

• oceanic crust

• lithosphere

• inner core

Which minerals make up most of the lithosphere?

• iron oxides

• magnesium oxides

• alumino-silicates

• nickel silicates

Which term best describes the composition of Earth's core?

• conglomerate

• diamond

• rocky

• metallic

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

• liquid metal

• solid metal

• liquid rock

• partly molten rock

Where is the mesosphere located inside Earth?

• the upper mantle

• the lower mantle

• the outer core

• the inner core