Volcano Review

Liquid magma that reaches the surface is called _____________

• magma

• fault

• lava

• hot spot

A molten mixture of rock forming substances, gases, and water, from the mantle is called _____________________

• magma

• lava

• hot spot

• dormat

Volcanoes that are NOT found at plate boundaries occur in the middle of plates in areas called ___________. 

• hot spots
• mid-ocean ridges
• fissure volcanoes
• shield volcanoes

Wide shallow volcano that usually only erupts lava

• Earthquake

• Cinder cone volcano

• Composite volcano

• Shield volcano

The steepest and smallest type of volcano (only erupts volcanic rocks/ash)

• Cindercone volcano

• Shield volcano

• Composite volcano

• Fissure

hardened lava with a stringy, ropey texture

• Pahoehoe

• A'A'

• Z'Z'

• Magma

hardened lava with a sharp, jagged texture

• Pahoehoe

• A'A'

• Z'Z'

• Magma

Resistance to flow is called...

• viscosity

• felsicity

• maficity

• thickness

Volcanic rock and ash that are ejected during an eruption are called

• pyroclastic flows

• effusive eruptions

• ash clouds

• tephra flows

#22 is the...

• vent

• pyroclastic flow

• lava

• crater

• magma chamber