Plate tectonics, earthquakes and volcanoes

Red, hot semi-molten magma can be found below the crust in

• the mantle

• the core

• the score

The thin crust of the Earth is divided up into _____ major plates.

• five

• seven

• eight

• ten

The Nazca and Phillipines plates are examples of huge plates.

• True

• False

Which statement is correct about plate boundaries?

• They are zones of movement and great crustal activity.

• They are not associated with earthquakes.

• They can cause hurricanes and cyclones.

Two plates moving apart from each other are called

In a constructive plate new magma from the mantle ______ to the surface.

• rises

• rices

• rise

When two plates are moving towards each other they are called

• destructive or convergent

• destructive or detergent

• conservative

• conservation

One plate, usually the oceanic plate, sinks below the other when two plates move towards each other.

• False

• True

Conservative plates move ______ each other.

• towards

• against

• on top of

Conservative plates may be moving in the ______ direction but a different speeds.