Plate Tectonics Review

What causes the inner core of the Earth to be solid?

• very high pressure
• the mass of the material
• the composition of the inner core
• the extremely low temperature

As you get closer to the center of the Earth, what increases?

• volume
• weight
• density
• conductivity

What is the Earth's outer core made of?

• gas
• dense, liquid metals
• solid, hot metal
• dense, solid metals

Convection causes plate movement. In which layer of the Earth are convection currents found?

• crust
• outer core
• mantle
• inner core

Which is the thinnest layer of the Earth?

• crust
• outer core
• mantel
• inner core

True or False.  Both mountains and mid-ocean ridges take a long time to form.

• True
• False

In which type of plate boundary do the plates move away from one another?

• divergent
• convergent
• subductive
• transform

In which type of plate boundary do the plates move toward one another?

• divergent
• convergent
• transform
• subductive

In which type of plate boundary do the plates slide alongside one another?

• convergent
• divergent
• transform
• subductive

In which type of plate boundary would you find subduction, one plate sliding beneath the other?

• convergent
• divergent
• subductive
• transform