CONTINENTAL LANDFORM
High land forms with steeps sides.
MOUNTAIN
Area of land surrounded by water on all sides.
ISLAND
Large, deep depressions in the ocean floor. The deepest is Challenger Deep (11,000 m) in the Pacific Ocean.
OCEAN TRENCHES
The big pieces that compose the Earth´s crust. They are continously moving.
TECTONIC PLATES
The scientific word for molten rock is...
MAGMA
Low, flat areas of land that are often found on the coast, and are formed by large rivers.
PLAINS
Large area of the sea or ocean partially enclosed by land. If it is small it is called bay.
GULF
The area where ocean floor leads down to the deeper part of oceans
CONTINENTAL SLOPE
When the Earth´s internal forces act on materials that are not very rigid, they undulate and form...
FOLDS
Areas of land at a lower altitudethan the sourranding land. Sometimes they are even bellow sea level.
DEPRESSIONS
Area of low land between mountains. Rivers flow through many of these.
VALLEY
Part of the coast which extends into the sea.
CAPE
Large mountain ranges that raise up to 3,000 m from the ocean floor. Some of the highest peaks rise above the surface and form islands, such as the Hawaiian Islands.
OCEAN RIDGES
According to the Theory of Continental Drift, 200 million years ago there was a single super-continent called...
PANGAEA
The magnitude of an earthquake can be quantified on the...
RICTHER SCALE
Natural depressions or low areas of land. Some are below sea level.
BASINS
It is a steep rock formation on the coast.
CLIFF
It is a vast plateau, near coast line, which reaches a depth of 150 metres.
CONTINENTAL SHELF
The volcanoes that have not been active for several thousand years.
EXTINCT VOLCANOES
When the Earth´s internal forces act on very rigid materials, they crack and form…
FAULTS
Large, raised plains. The highest are in Tibet in Asia, and in Bolivia in South America.
PLATEAUS
The land that connects a peninsula to a continent.
ISTHMUS
These landforms are located at a depth of between 3,000 and 7,000 meters and form the ocean floor
ABYSSAL PLAIN
The point on the Earth´s surface where the greatest damage of an earthquake occurs.
EPICENTRE
Most seismic activity and volcanic eruptions occur in a region around the rim of the Pacific Ocean that is called...
RING OF FIRE