GEOGRAPHY? WHAT'S THAT? UNIT 1.

• ABYSSAL PLAIN: a flat area of the ocean floor.
• ALTITUDE: the height of a thing above a reference level (sea level).
• ARCHIPELAGO: a group of related islands close together.
• BAY: a smaller gulf.
• CAPE: a headland or promontory. 
• CLIFF: a high, steep or overhanging face of rock.
• COAST: the line or zone where the land meets the sea or some other large expanse of water.
• CONTINENT: the part of the Earth's crust that rises above the oceans and is composed of sialic rocks.
• CONTINENTAL SHELF: the undersea extension of a continent that descends gradually.
• CONTINENTAL SLOPE: a steep underwater area that links the continental shelf with the ocean floor.
• DELTA: the flat alluvial area at the mouth of some rivers where the mainstream splits up into several distributaries.
• EROSION: the group of natural processes by which material is worn away from the earth’s surface.
• EURASIA: the large mass of land that joins Europe and Asia together.
• FAULT: a fracture in the earth's crust resulting in the relative displacement and loss of continuity of the rocks on either side of it.
• FJORD:  an inlet created by glaciations.
• GEOGRAPHICAL FEATURES: the components of the Earth.
• GULF: an area of sea surrounded by land on three sides.
• HEADLAND: a small area of land that projects out into the sea 
• ICEBERG: a large mass of ice floating in the sea 
• INLET: a thin channel of water that leads inland from the sea.
• ISLAND: a piece of land completely surrounded by water.
• ISTHMUS: a thin stretch which connects a peninsula with the land.
• LAGOON: a body of water cut off from the open sea by coral reefs or sand bars.
• MASSIF: a large mountain mass or compact group of connected mountains forming an independent portion of a range.
• MARSH: a low poorly drained land that is sometimes flooded and often lies at the edge of lakes or streams.
• MOUNTAIN: a large landform that is higher than the surrounding land.
• MOUNTAIN RANGE: a continuous chain of mountains.
• 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.
• PENINSULA: a large scale headland surrounded by water on three sides.
• PLAIN: a large, open, flat or slightly undulating area of land.
• PLATEAU: a flat area of land which sits at a certain altitude above sea level.
• RELIEF: the projection of forms or figures from a flat ground, so that they are partly or wholly free of it.
• RIVER BASIN: an area of land that is drained by a river and that is lower than the surrounding area.
• TRIBUTARY: a stream, river, or glacier that feeds another larger one.
• VALLEY: a linear depression in the land.