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Earthquakes
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Earth
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Magma
100
The point beneath Earth's surface where rock breaks and triggers and earthquake
What is an epicenter.
100
Direction seismic eaves carry energy from an earthquake
What is away from the focus (epicenter)
100
Dense ball of solid metal
What is Earth's inner core
100
Convergent boundary
What is place where two plates come together.
100
Magma high in silica will produce lava this color
What is light colored
200
The type of waves that arrive first
What are P waves
200
Starting from the surface, order of the Earth's layers
What is crust, mantle outer core, inner core
200
The first man to propose that the continents were once all joined together in one land mass.
Who is Wegener
200
Volcanic Belts form here
What is the boundaries of the Earth's plates
200
Pahoehoe
What is Cooler, slow moving magma
300
Another name for S Waves
What is secondary waves
300
When the heat source is removed from a liquid, this happens to the convection current
What is eventually stops
300
subduction
What is process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle.
300
An example of volcanoes forming over a hot spot
What are the Hawaiian Islands
300
Coned shaped mountains with layers of lava alternated with layers of ash
What is composite volcanoes
400
Can cause damage days or months after a large earthquake
What is an aftershock
400
super continent that existed millions of years ago
What is Pangea
400
Cause of the movement of Earth's plates
What is convection currents in the mantle
400
The amount of silica and temperature affect
What is viscosity
400
Many thin layers of lava that build up a high, level area
What is lava plateau
500
Giant wave after an earthquake
What is tsunami
500
This happens at the mid-ocean ridge
What is sea-floor spreading (molten material rises from the mantle and erupts)
500
a layer of hot solid rock found between the Earth's crust and core
What is the mantle
500
Pipe
What is the long tube that connects the magma chamber to the Earth's surface
500
lava before it reaches the Earth's surface
magma