Volcanoes & Volcanic Hazards

The eruption of Mt St Helens occurred in May of

• 1973

• 1980

• 1991

• 2004

Tags

NGSS.MS-ESS3-2

A bowl shaped area that forms around the vent.

• vent

• landslides, mudslides, avalanches

• pressure

• crater

Smallest rock fragment the size of dust, explodes from a volcano during an explosive eruption. Creates a cement mixture in your lungs, cause roofs to collapse, & damage car and plane engines

• volcanic ash

• volcanic cinders

• volcanic bombs

• pyroclastic flow

Large blob of magma that solidifies mid-air from a volcano during an explosive eruption.

• volcanic ash

• volcanic cinders

• volcanic bombs

• pyroclastic flow

Pebble sized rock fragment that explodes from a volcano during an explosive eruption.

• volcanic ash

• volcanic cinders

• volcanic bombs

• pyroclastic flow

Which letter on the volcano diagram represents the magma chamber?

• a

• b

• c

• d

• e

Tags

NGSS.MS-ESS2-2

Silica content and viscosity are the factors that determine the __________________ of a volcanic eruption?

• explosiveness

• location

• direction

• length

Tags

NGSS.MS-ESS3-2

This city was destroyed in 79 A.D. by the eruption of Mt. Vesuvius.

• Rome

• Munich

• Pompeii

• Naples

Tags

NGSS.MS-LS4-1

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

• Divergent Boundary

• Hot Spot

• Subduction Boundary

• Transform Boundary

Tags

NGSS.MS-ESS2-2

As the temperature of lava increases, ________

• its viscosity decrease

• its viscosity increases

Tags

NGSS.MS-PS1-4