Plate Tectonics
A ____ is an opening that lava and clouds of ash can erupt from.
What is a vent
The theory that states that Earth's crust and part of the upper mantle are broken into sections
What is theory of plate tectonics
The waves that are generated by an earthquake
What are seismic waves
A large, bowl-shaped cavity at the top of the volcano
What is crater
The sections that move on the plastic like layer of the mantle.
What are plates
Double Jeopardy! The most common igneous rock formed when lava cools
What is basalt
Where oceanic and continental plates collide and the oceanic plate plunges beneath the less dense continental plate
What is subdution
A location where a column of extremely hot mantle rock rises through the asthenosphere and forms islands.
What is a hot spot
The world's most active shield volcano
What is Kilauea, Hawaii
Hot ash and bits of rock mixed with lava that is ejected into the atmosphere.
What is pyroclastic flow
The ________________Islands are all in line because the Pacific Plate is moving over a stationary hot spot.
What are the Hawaiian Islands?
When continental plates pull apart in the ocean, they can form this.
What is a Rift Valley
The process by which rock becomes deformed and changes shape due to stress
What is deformation
The volcano that erupted causing a city to disappear
What is Pompeii (Mt. Vesuvius)
Where a killer quake generated a massive tsunami on December 26, 2004 and destroyed 1/3 of the buildings and half of the population.
What is Indonesia?
This can form from the sudden drainage of a magma chamber during an explosive eruption or from a slowly emptied magma chamber.
What is a caldera?