Science 10 Summative 1.2

Which feature is common to and only found in diverging regions?

• Trenches

• Rift Valleys

• Volcanic arcs

• Island arcs

Which forms when a less-dense plate converges on a denser plate?

• Mid-ocean ridge

• Rift valley

• Subduction Zone

• Transform Boundary

The lithosphere represents:

• outer core and inner core

• uppermost rigid mantle only

• asthenosphere and lithosphere

• crust and uppermost, rigid mantle

Which of the following is not related to a divergent plate boundary?

• Great Rift Valley of East Africa

• San Andreas fault

• East Pacific Rise

• Mid-Atlantic Ridge

Plates A and B shows a divergent boundary. If plate C is adjacent to both plates and does not show any relative motion, what type of plate boundary is present between A and C?

• convergent

• divergent

• normal fault

• transform fault

What do you expect to find parallel to a trench?

• hot spot

• ocean ridge

• rift valley

• volcanic arc

What happens at mid-ocean ridges?

• Two plates come together and crust is destroyed

• Two plates pull apart and new crust is created

• Two plates move side by side past each other and no crust is created or destroyed

• The action at a mid-ocean ridge depends on the location

Sierra Madre mountain ranges is a result of:

• Continental and continental convergence

• Oceanic and continental convergence

• Oceanic and oceanic convergence

• Crust and mantle convergence

The Philippines is surrounded by trenches and active fault lines. What particular type of plate boundary is common to the formation of trenches and active fault line?

• Plate tectonic theory

• Divergent plate boundary

• Transform fault boundary

• Convergent plate boundary

Which of the following phrases best describes the movement of a divergent boundary?

• Two plates moving towards each other

• Two plates slide pass with each other

• Two plates moving away from each other

• Two plates collide and the other plate subduct