Lassen Lessons

What type of volcano?

• Shield

  (steep sides)

• Composite

  (pyroclastic cloud)

• Shield

  (Dark, easy flowing lava)

Magma that is very hot and dark in color

• Basaltic

• Rhyolitic

Magma that is cooler and lighter in color

• Basaltic

• Rhyolitic

Where are volcanos most likely to form?

• In the middle of continents

• Along plate boundaries

• In mountains

• Away from earthquakes

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

Name of the chain of volcanos around the edge of the Pacific plate.

• Circle of fire

• Ring of fire

• Ring of lava

• Pacific ring

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

Which volcano would have a gentle slope, quiet explosion, and thin magma?

• Composite volcano

• Cinder cone volcano

• Lava dome volcano

• Shield volcano

__________________ are made from many layers (strata) of rock, ash, and hardened lava.

• Cinder cone volcanoes

• Lava dome volcanoes

• Composite volcanoes

• Shield volcanoes

Tall, cone-shaped mountains in which layers of lava alternate with layers of ash

• Cinder Cone volcano
• Shield volcano
• Composite volcano
• Caldera

A steep cone-shaped hill or mountain made of ash and cinders

• Cinder cone volcano
• Shield volcano
• Composite volcano
• Earthquake

The steep-sided, rounded mound formed when viscous lava wells up into a crater and is too stiff to flow away. It piles up, often completely filling the vent from which it emerged.

• Shield volcano

• Composite volcano

• Plug dome volcano

• Cinder cone volcano