Form 4 Plate Tectonics Review

The most obvious evidence of a plate boundary where two plates move apart is(are) ________.

• upwelling of hot material from the mantle

• earthquakes

• mountain building along the plate boundary

• strike-slip faults on the sea floor

When two plates collide, lithosphere is _______.

• destroyed

• created

• not changed

• hardened

The Himalayas formed as a result of _______.

• an ocean-continent convergence

• a continent-continent convergence

• an ocean-ocean convergence

• a hot spot

The San Andreas Fault zone in California is an example of _______.

• an ocean-continent collision

• a continental rift

• a divergent plate boundary

• a transform plate boundary

The Hawaiian Island-Emperor Seamount chain formed as a result of ________.

• convergent plate boundary activities

• hot spot activities

• transform plate boundary activities

• divergent plate boundary activities

Alfred Wegener developed the theory of ________.

• continental drift

• plate tectonics

• uniformitarianism

• relativity

Oceanic crust has a ________ composition and therefore is ________- than continental crust.

• basaltic; heavier

• granitic; lighter

• granitic; heavier

• basaltic; lighter

Where is the Ring of Fire located?

• Atlantic Plate

• Pacific Plate

• Indian Plate

• Antarctic Plate

Where are trenches found?

• Convergent boundaries

• Divergent boundaries

• Transform boundaries

• Hot spots

________________________ is an underwater mountain chain that encircles the globe.

• ________________________ is an underwater mountain chain that encircles the globe.

• Mid-Ocean ridge

• Central Rift Valley

• subduction