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20 questions
What type of volcano is wide and flat, created by layers of lava flow?
Shield
Cinder Cone
Composite
What type of volcano is made of ash and cinders from pyroclastic flow?
Shield
Cinder Cone
Composite
What type of volcano is Kilauea, which is located above a hot spot where layers of lava continuously flow?
Shield
Cinder Cone
Composite
What type of volcano is Mount St. Helens, a tall volcano composed of layers of lava and cinders?
Shield
Cinder Cone
Composite
Which type of volcano forms due to a series of quiet eruptions?
Shield
Cinder Cone
Composite
Which type of volcano forms due to alternating quiet and explosive eruptions which form layers?
Shield
Cinder Cone
Composite
Which type of volcano is steep and cone-shaped with a bowl-shaped crater?
Shield
Cinder Cone
Composite
What type of volcano is this?
Shield
Cinder Cone
Composite
What type of volcano is this?
Shield
Cinder Cone
Composite
What type of volcano is this?
Shield
Cinder Cone
Composite
If lava has low viscosity, which adjectives best describe it?
Runny, Smooth, Flows Easily
Thick, Jagged, Flows Slowly
If lava has high viscosity, which type of eruption will likely result?
Quiet
Explosive
Cinder cone volcanoes have which type of eruption?
Quiet eruptions with lava flows.
Explosive eruptions with pyroclastic flow.
Alternating quiet and explosive eruptions.
Which word describes molten rock that is below the crust?
Lava
Magma
Which type of lava has low viscosity and flows smoothly, forming wrinkles and coils?
Pahoehoe
A'a
Which type of lava has high viscosity, flows slowly, and has a rough, jagged surface?
Pahoehoe
A'a
As temperature increases, viscosity...
increases.
decreases.
If lava contains more silica, its viscosity...
increases.
decreases.
Which word describes molten rock that is above the crust?
Lava
Magma
Paracutin (the volcano that formed quickly in a farmer's field due to ash, cinders, and bombs building up around the vent) is a __________ volcano.
Shield
Cinder Cone
Composite
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