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27 Cards in this Set

  • Front
  • Back
EARTHQUAKE
A sudden movement of part of the Earth'scrust.
FAULT
A crack in the Earth's crust
FOCUS
A point underground where an earthquake starts.
EPICENTER
Where an earthquake is felt the strongest or has it's greatest intensity.
TSUNAMI
A very large ocean wave caused be an earthquake that occurs on the ocean floor.
SEISMOLOGY
The study of earthquakes.
VOLCANO
An opening in the Earth's crust through which hot ashes, gases and molten rock ascape from deep within the Earth's surface.
LAVA
The molten rock that reaches the Earth's surface.
MAGMA
The molten rock beneath the Earth's surface.
LANDSLIDE
The sudden movement of loose rock and soil down a steep slope.
WEATHERING
The slow wearing away of rock into smaller pieces.
BAY
A body of water that is partly enclosed by land and has a wide opening.
GLACIER
A large mass of slow moving ice.
MORAINE
The large ridge formed by boulders, rocks and soil carried and deposited by a glacier.
EROSION
The movement of rock material from one place to another.
ERRATIC
A single boulder moved by a glacier and deposited when a glacier melts.
HEADLAND
A point of land, usually high, that extends into the water.
DEPOSITION
The dropping of sediment moved by water, wind and ice.
SAND DUNE
Hill or pile of sand that was formed by the wind.
DELTA
A large mass of sediment deposited at the mouth of a river.
EARTH CHANGING
SUDDENLY, RAPIDLY
earthquake
volcano
landslide
VERY STRONG EARTHQUAKE
GROUND
cracks
AREA OF A LANDSLIDE
loosened rock and soil slide downhill
AREA OF VOLCANO ERUPTION
100 miles around
EARTH CHANGING
SLOWLY
erosion
glaciers
weathering
GLACIERS
LEAVE
BEHIND
valleys and canyons
WIND CHANGES
changes the shape of the land