Plate boundaries

Put these layers in order from the centre of Earth outward.

• Mantle, crust, inner core, outer core

• Outer core, inner core, mantle, crust

• Crust, mantle, outer core, inner core

• Inner core, outer core, mantle, crust

Brazil is located on which major tectonic plate?

• Pacific

• North American

• South American

• Eurasian

The movement of tectonic plates is caused by:

• The Earth's rotation

• The gravity of the iron-nickel core

• The Moho discontinuity.

• Convection currents

This area contains over 70 percent of volcanoes and 90 percent of earthquakes in the world.

• North American plate

• Eurasian plate

• Ring of Fire

• Antarctic plate

A (a)   is a section of the lithosphere that slowly moves over the asthenosphere, carrying large slabs of continental and oceanic crust.

Which one of these statements about oceanic crust (OC) is INCORRECT.

• OC is younger than continental crust

• OC is made of granite and is relatively light

• OC is made of basalt rock and is relatively dense

• OC is constantly being created

Mid Ocean Ridge formation is created at this type of boundary.

• Destructive

• Constructive

• Collision

• Conservative

Mountains are created at this type of boundary.

• Destructive

• Constructive

• Collision

• Conservative

Name this boundary.

• Constructive

• Destructive

• Collision

• Conservative

Name this boundary.

• Destructive

• Constructive

• Conservative

• Collision