The Plates Are Loaded
The lithosphere is made up of it
What are plates?
It is caused by two surface plates pushing and scraping against each other, with energy building up in the moving plates
What is an earthquake?
The beginning point of the earthquake
What is the focus?
Pockets of molten rock found deep in the earth’s lithosphere
What are magma chambers?
A volcano that does not have a recorded eruption and is not expected to erupt in the future
What is an extinct volcano?
Earth’s crust and upper area of the mantle
What is the lithosphere?
They are breaks in the earth’s surface along which rocks can move
What are faults?
The point on the surface of the earth directly above the focus
What is the epicenter?
Places where a pool of intensely hot magma rises towards the surface
What are hot spots?
This occurs when part of the mountain collapses and mud and rock fragments surge down the mountain
What is a debris flow?
Places where plates meet
What are plate boundaries?
This type of fault occurs when rocks push together until they force a section of rock upward.
What is a thrust or reverse fault?
Seismic waves that occur beneath the surface of the earth
What are Body Waves?
These volcanoes have gradually sloping sides and look like upside-down saucers
What are Shield volcanoes?
This violent eruption creates an avalanche of red-hot dust and gases called a pyroclastic flow
What is a Pelean Eruption?
The idea that the earth’s crust is made up of moving plates
What is the Theory of Plate Tectonics?
This type of fault occurs when rocks move apart, with a section of rock sometimes falling between the separating rocks
What is a normal fault?
These are waves that move quickly through both the solid and liquid in the earth’s interior
What are P waves (Primary waves)?
These volcanoes are large, symmetrical, and cone-shaped
What are Composite Cone Volcanoes?
A volcano with runny lava and little to no cinder, ash, and steam
What is a Hawaiian Eruption?
The large landmass the may have existed before the flood
What is Pangea?
This happens when molten rock cools after pushing up between plates, creating new land
What is sea-floor spreading?
These are waves that move more slowly; they cannot move through the liquid material in the earth
What are S waves (Secondary waves)?
These volcanoes resemble a hill and typically has a bowl-like crater at the top with one main vent
What are Cinder cone volcanoes?
This piece of equipment registers the small changes in the slope of a volcano
What is a tilt meter?