science LAST REVIEWER

A violent discharge of steam and hot materials (molten rocks) from the earth's interior thrown out by a volcano

WHICH OF THIS DESCIRBE: THE CAUSES OF VOLCANIC ERUPTION (Pick 2)

• Plate Movements

• Difference between temperature and pressure

• Can change the weather

• Can also have long=term effects on the climate, making the word cooler

• none

WHICH OF THIS DESCIRBE: THE EFFECTS OF VOLCANIC ERUPTION (Pick 2)

• Plate Movements

• Difference between temperature and pressure

• Can change the weather

• Can also have long=term effects on the climate, making the word cooler

• none

VOLCANOES RELEASE GAS WHEN ERUPT, AND THROUGH OPENINGS CALLED FUMAROLES.

• Volcanic Gas

• Lava

• None

the stiffness of lava is described in terms of viscosity

• Volcanic Gas

• Lava

• None

LAVA THAT FLOWS EASILY

LAVA THAT IS STICKY AND STIFF

WHAT ERUPTS FROM A VOLCANO? ______________________ Rock Fragments created by explosive eruptions

A generic term for any airborne pyroclastic accumulation

• Tephra

• Ash

• Lapilli or volcanic Cinders

• Volcanic Bombs or Volcanic Blocks

A type of a pyroclastic flow that contains dense lava fragments.

• Tephra

• Strombolian

• Lapilli or volcanic Cinders

• Nuees Ardentes