Earth Science Review

A_______ refers to any vent, hill or mountain from which molten or hot rocks with gaseous material erupts or may have been ejected.

• Volcano

• Hill

• Vent

• Plateau

The part that connects the magma chamber to the crater.

• Tephra

• Vent

• Lava

• Magma Tube

What causes volcanoes to erupt?

• Pressure precipitation

• Pressure exposure

• Pressure buildup

• Pressure vaporization

Molten material found in the earth's surface

• Magma

• Lava

• Rock

• Metamorphic

Basaltic lava is dark-colored because of this element.

• iron

• silica

• coal

• magnesium

All of the lava types produces what type of rock?

• igneous

• metamorphic

• sedimentary

• lava flow

Chemical composition of this rock is similar to andesite and rhyolite

• andesite

• andesitic lava

• basalt

• granite

All of the following are volcanic materials except:

• Dust

• Ash

• Cinders

• Soil

A volcano that had erupted in the last 10,000 years.

• Aggressive

• Active

• Dormant

• Extinct

A type of volcano with a single vent and erupts explosively

• Composite

• Cinder Cone

• Dormant

• Stratovolcano