volcano (vol ka no)
a type of mountain that has an opening at the top through which lava, ash, or other types of volcanic rock flows
plain (plane)
a large, flat area of land
plateau (pla toe)
a large, flat area of land that is high
a deep valley with steep sides, often with a stream flowing through it
glacier (gla sher)
a huge amount of slowly moving ice
ocean (o shun)
all the salt water that covers most of the earth’s surface
a low area between mountains or hills
a very steep wall of rock or soil. Water or glaciers pushed rock or soil from the sides of hills or mountains to form them. It took thousands of years to change
rock (rok)
a large mass of stone forming a hill
coast
(kohst)
a place where land meets the ocean. Some coasts are sandy beaches, some are
rocky cliffs. Wind and water always change them.
a stream of water. It usually flows to a lake or the ocean.
a large body of water almost surrounded by water. It is bigger than a pond.