Volcano Quiz

It is the molten rock which lies

underneath volcanoes.

• Lava

• Magma

• Convection current

• Crust

What is formed at destructive plate

boundaries and is rich in silicate?

• Lava

• Magma

• Plate Movement

• Convection current

Some magmas begin to _____ as they

reach the surface.

• Crystalize

• Liquify

• Viscosity

• Neutral

What affects the magma’s viscosity?

• Silica content

• Iron content

• Iron and nickel

• Nickel only

What do you call the resistance of a

fluid to flow?

• Viscosity

• Saturation

• Solubility

• Inertia

What do you call a phenomena arising

from volcanic activity that poses potential

threat to people and property?

• Volcanic Hazard

• Destruction of property

• Economic hazard

• Calamity

These are pulverized rocks, sand, gritty and

harsh glasses shoot out in the air by volcano.

• Ash Flow

• Mud Flow

• Lava Flow

• Pyroclastic Flow

Streams of molten rocks and other

fragmented materials emitted by erupting

volcano.

• Ash Flow

• Lava Flow

• Pyroclastic Flow

• Mud Flow

These are fast moving hot mixtures of gas,

ash, and molten rocks moving away from the

volcano to the ground.

• Ash Flow

• Lava Flow

• Pyroclastic Flow

• Mud Flow

The following are list of the

Precautionary measures that can be

practiced to lessen the danger before, during,

and after a volcanic eruption EXCEPT?

• Know the location of designated

  evacuation site.

• Listen to the announcement of

  your authorities.

• Stock clean and safe drinking

  water and other food supplies.

• Stay inside the house as if

  nothing happened