PROCESSES and LANDFORMS

There is no formation of volcanoes in the convergence between

• two oceanic plates

• two continental plates

• oceanic and continental plates

• none of these

When a plate is denser, it subducts toward the mantle and forms magma. This process ends up in the formation of ______.

• mountain range

• trenches

• volcanoes

• faults

Which of the following is formed in the convergence of two oceanic or oceanic and continental plates?

• Volcanic island arcs

• mountain range

• rift valley

• Oceanic ridge

Of the following, which event or process takes place when two continental plates converge?

• earthquake

• subduction

• tsunami

• magma formation

An event that may take place on the water surface when a great force pushes a significant amount of water upwards.

• earthquake

• magma formation

• subduction

• tsunami

Subduction is illustrated in which of the following?

• convergent plate boundary

• transform fault boundary

• divergent plate boundary

• subducting plates

Earthquake, as an effect of plate movement, results in boundaries where plates are

a. converging

b. sliding past

c. diverging d.

subducting

• A only

• B only

• A and B

• A, B, and C

Why are volcanoes mostly found at places where continents meet the seas?

• It is where water meets land.

• It is where the oceanic plates subduct under the continental plate.

• Underneath it is a subduction zone.

• More magma is produced under the ground because of the muddy seafloor.

Most of the Philippine Islands were once part of island arcs. This means that along with this boundary, there once existed two ___________.

• converging continental plates

• diverging plates

• converging oceanic plates

• plates sliding past each other

During earthquakes, it is advisable to cover ones _____________

• head

• mouth

• ears

• nose