Volcanoes
Earthquakes
Mountains
Plate Tectonics
Damage Causes
100
magma that has reached earth's surface
What is lava?
100
fracture or break in earths surface
What is a fault?
100
they form along convergent boundaries with rocks bent and folded
What is folded mountains?
100
Plates that fit together like a jigsaw puzzle and makes up the surface of the Earth.
What is tectonic plates?
100
follows a eathquake but not as strong
What is aftershock?
200
an opening in Earth's crust turough which molten rock and hot gases erupt
What is volcanoes?
200
it forms small even earthquakes
What is seismic waves?
200
form along nearly parallel and moves up and down
What is falut-block mountains
200
Wegener's theory that the continents were one huge landmass.
What is continental drift?
200
the point where the ground acts like a liquid following a powerful earthquake
What is liquefaction?
300
form as gas-rich magma erupts
What is cinder cone?
300
point directly above surface
What is an epicenter?
300
is an area of land that rises steeply from the land around it
What is mountains?
300
energy transfer by the movement of a material
What is convection?
300
These can be caused by earthquakes, landslides, or volcanic eruptions
What is tsunami?
400
it is shaped like a flat dome
What is Shield volcano?
400
records ground activity
What is seismograph?
400
Some of these form as melted ocianic crust rises through the top plate
What is costal mountains?
400
Where the north pole becomes the south pole and the south pole becomes the north pole.
What is magnetic reversal?
400
a collapse that may be caused by magma moving underground, an eruption, an earthquake, or even a heavy rainfall
What is landslide?
500
these are steep near the top snd flsttens out toward the bottom
What is Composite Volcano?
500
the begging of an earthquake
What is focus?
500
As the oceanic crust moves, it often causes underwater earthquakes
What is deep-ocean trenches?
500
As the Oceanic crust moves, it often causes underwater earthquakes.
What is deep-ocean trenches?
500
form as ash mixes into rivers flowing from a volcano, fast ones can cover entire towns tens of kilometers away from the eruption
What is a mudflow?
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