Volcanoes Review

What is molten rock that has formed deep within the Earth?

• Hot Spot
• Magma
• Lava
• Volcano

What is the resistance of a liquid, such as lava, to flow?

• Elasticity
• Pyroclasticity
• Silica
• Viscosity

What type of volcano has steep slopes made of alternating layers of ash and silica rich lava?

• Caldera
• Cinder Cone
• Composite Volcano
• Shield Volcano

The volcanoes on the Hawaiian Islands form due to which of the following?

• Divergent Boundary
• Hot Spot
• Subduction Boundary
• Transform Boundary

What is a volcano?

• A mountain that has lava all over it 
• A giant hill filled with magma
• A long high sea wave 
• A hole in the Earth where magma erupts

What type of lava cools quickly and forms rock with jagged edges?

• Aa
• Magma
• Pahoehoe
• Pillow Lava

What type of volcano is shown above?

• Strato

• Cinder Cone

• Shield

• Composite

What type of lava cools slowly and forms rock with smooth, ropelike features?

• Aa
• Magma
• Pahoehoe
• Pillow Lava

Magma that hardens in a volcano's pipe create a 

• Sill
• Dike
• Volcanic neck
• Batholith

True or False: Viscosity increases as temperature increases. 

• True
• False