Volcanoes

The formation of the Hawaiian Islands is one example of --

• volcanic activity forming over a hot spot.

• volcanoes forming along plate boundaries.

• the Ring of Fire.

• continental drift.

Before lava reaches the surface, the molten material is called

• rock.

• liquid fire.

• volcanic ash.

• magma.

A pyroclastic flow typically occurs during a(n) _________________ eruption.

• quiet

• effusive

• offensive

• explosive

Tags

NGSS.MS-ESS3-2

The higher the viscosity of a fluid, the ________________ it flows.

• faster

• slower

• higher

• slicker

What type of volcano is found at subduction zones?

• Caldera

• Cinder Cone

• Composite Volcano

• Shield Volcano

Tags

NGSS.MS-ESS3-2

NGSS.MS-ESS2-1

Where do volcanoes form?

• Places where plates move apart

• Places where plates are moving together

• Hot Spots

• All of these options

This is the name for the chain of volcanos around the edge of the Pacific Plate.

• Circle of Fire
• Ring of Lava
• Ring of Fire
• Circle of Magma

Tags

NGSS.HS-ESS2-1

NGSS.HS-ESS1-5

Highly explosive volcanoes tend to have what type of magma?

• magma with high silica, high viscosity, and higher gas content
• magma with low silica, low viscosity, and lower gas content
• magma with low silica, high viscosity, and lower gas content
• magma with no silica, high viscosity, and no gas content

Tags

NGSS.HS-ESS2-3

The hot ash, gas and rock that races down the side of a volcano is known as ___

• Tephra
• Pyroclastic flow
• Lava Dome
• Lava Plateau

Tags

NGSS.MS-ESS3-2

Most volcanoes occur at which 2 types of plate boundaries? 

• convergent w/ subduction and divergent
• divergent and transform
• divergent and hot spots
• convergent w/ subduction and hot spots

Tags

NGSS.MS-ESS2-3