8.3 Volcano Types Lecture Quiz

What type of volcano was Mount St. Helens described as?

• Shield volcano

• Cone-shaped volcano

• Dome volcano

• Caldera volcano

What prevents the lava from traveling far down the sides of a composite volcano?

• Low temperature

• High pressure

• Viscosity of the lava

• Wind resistance

What feature is created by the solidification of lava on composite volcanoes?

• Flat plains

• Steep slopes

• Deep craters

• Wide plateaus

What is the effect of lava viscosity on the shape of composite volcanoes?

• Creates flat surfaces

• Forms steep slopes

• Develops wide bases

• Causes deep craters

What type of lava flow is associated with shield volcanoes?

• Thick and slow.

• Thin and fast.

• Fluid and easy-flowing.

• Solid and stationary.

What is the shape of a shield volcano primarily due to?

• Explosive eruptions.

• Spreading lava.

• Tectonic activity.

• Wind erosion.

What is a common feature of the lava that forms shield volcanoes?

• It is very thick.

• It flows easily.

• It is very cold.

• It is very hot.

How high do cinder cones rarely reach?

• 100 meters

• 200 meters

• 300 meters

• 400 meters

How much material did Mount St. Helens erupt?

• 1.2 km³

• 25 km³

• 1,000 km³

• 240 km³

What is a fairly new idea in volcanology?

• Shield volcanoes

• Supervolcanoes

• Lava flows

• Volcanic ash