Test 3.6A Volcanism

Magma that reaches the earth's surface is called

• ash

• bomb

• magma

• lava

An enlarged depression caused by an explosion or the collapse of a volcanic cone

• ash

• bomb

• caldera

• cinder

Streamlined mass of ejected lava that solidified in flight is called

• ash

• bomb

• caldera

• cinder

Volcano that emits lava and solid debris in alternately quiet and explosive eruptions is called

• extinct volcano

• shield volcano

• stratovolcano

• cinder cone

A volcano that emits mostly cinders, ashes, and bombs is called

• extinct volcano

• shield volcano

• stratovolcano

• cinder cone

A volcano having no historical record of eruption and showing no seismic indications of activity deep underground is called.

• extinct volcano

• shield volcano

• stratovolcano

• cinder cone

Where do most volcanoes form?

• in the center of ocean plates

• in the middle of continents

• at plate boundaries

_______________ forms where plates move apart.

• hot spots

• Divergent Volcanism

• subduction zones

Volcanoes that form far from plate boundaries are associated with

• transform boundaries

• deep sea trenches

• hot spots

This type of volcano is a

• composite volcano

• Shield Volcano

• cinder cone volcano