Geography (unit I)

-Inlet:  A thin channel of water that leads inland from the sea.
-Headland: A small area ofland that projects out into the sea.
-Peninsula: A large scale headland surrounded by water n three sides. A peninsula can be connected to the land by a thin strech of land called an isthmus.
-Island: A piece of land completely surrounded by water. A group of related islands close together form an archipielago.
-Gulf: An area of sea surrounded byland on three sides. It forms the shape of an arc. 
-Bay: Is like a gulf but generally smaller.
.Oceanic ridge: An underwater mountain range that generally covers a large area and reaches high altitudes.
-Oceanic trench: A long depression on the ocean floor that can be thousands of metres deep.
-Abyssal plain: A flat area of the ocean floor. They are found at depths of between 3000 and 7000 metres.
-Continental shelf: The undersea extension of a continent that descends gradually to depths of around 400 metres.The shelf might extend for only a few kilometres under the sea, or it may extend for many.
-Continental slope: A steep underwater area that links the continental shelf with the ocean floor.
-Mountain: A large landform that is higher than the surrounding land.
-Mountain range: Is a continuous chain of mountais.
-Basin: An area of land that is drained by a river or a lake and that is lower than the surrounding sea.
-Valley: A valley is a linear depression in the land. A river valley is V-shaped due to the action of a river running throught it. Glacial valleys are U-shaped because they have been formed by a moving glacier.
-Plateau: A flat area of land which sits at a certain altitude above sea level.
-Plain: A large, open, flat or slightly undulating area of land.
-Geographical feature:  Are all the components of the Earth.
-Cape: is a headland of large size extending into the water.
-Massif: Alarge mountain compact group of connected mountains.
-Isthmus: Is a thin strip of land connecting two land masses.
-Relief: The difference in height in vast area.
-Continent:  Is one of several very large landmasses on Earth (Europe, Asia, Africa, America, Oceania, Antartica).
-Peninsula:  Is an unusual land formation.
-River basin: The land area drained by a river.
-Coast: Is the edge of the land that is met by the waters edge.