UNIT 2

VOCABULARY

It’s one of the several parts in which the Earth is divided

LAYER

It’s one of the several parts in which the Earth is divided

It’s the surface, thin solid layer, of the Earth

CRUST

It’s the surface, thin solid layer, of the Earth

It’s the intermediate layer of the Earth

MANTLE

It’s the intermediate layer of the Earth

It’s molten rock

MAGMA

It’s molten rock

It’s the deepest layer of the Earth

CORE

It’s the deepest layer of the Earth

It’s a large land mass, surrounded by oceans and seas

CONTINENT

It’s a large land mass, surrounded by oceans and seas

It’s a large mass of salt water

OCEAN

It’s a large mass of salt water

It’s a high landform with steep sides

MOUNTAIN

It’s a high landform with steep sides

It’s an area of low land between mountains

VALLEY

It’s an area of low land between mountains

It’s a low flat area of land

PLAIN

It’s a low flat area of land

It’s a large raised plain

PLATEAU

It’s a large raised plain

It’s a natural depression or low area of land

BASIN

It’s a natural depression or low area of land

It’s an area of land surrounded by water on all sides except one

PENINSULA

It’s an area of land surrounded by water on all sides except one

It’s a land portion which connects a peninsula to a continent

ISTHMUS

It’s a land portion which connects a peninsula to a continent

It’s a part of the coast which extends into the sea

CAPE

It’s a part of the coast which extends into the sea

It’s a large area of a sea or ocean partially enclosed by land

GULF

It’s a large area of a sea or ocean partially enclosed by land

It’s a small gulf

BAY

It’s a small gulf

It’s an area of land surrounded by water on all sides

ISLAND

It’s an area of land surrounded by water on all sides

It’s a group of islands

ARCHIPELAGO

It’s a group of islands

It’s a steep rock formation

CLIFF

It’s a steep rock formation

CONTINENTAL SHELF

It’s a vast plateau near the coastline which reaches a depth of 150 metres

It’s a deep step which connects the continental and the oceanic crust

CONTINENTAL SLOPE

It’s a deep step which connects the continental and the oceanic crust

It’s a large mountain range under the sea

CONTINENTAL RIDGE

It’s a large mountain range under the sea

It’s a large deep depression in the ocean floor

OCEAN TRENCH

It’s a large deep depression in the ocean floor

It’s the fragmentation and dissolution of rocks, soil and mud, which is transported by wind or

water

EROSION

It’s the fragmentation and dissolution of rocks, soil and mud, which is transported by wind or

water

It’s the accumulation of sediment, such as mud, sand or eroded rocks

SEDIMENTATION

It’s the accumulation of sediment, such as mud, sand or eroded rocks

It’s a section of a river where the water falls vertically

WATERFALL

It’s a section of a river where the water falls vertically

It’s a deep channel with steep walls

CANYON

It’s a deep channel with steep walls

It’s a flat, fertile area where the river deposits sediment

ALLUVIAL PLAIN

It’s a flat, fertile area where the river deposits sediment

It’s a triangular area at the mouth of a river

DELTA

It’s a triangular area at the mouth of a river

It’s the part of a river where it meets the sea

ESTUARY

It’s the part of a river where it meets the sea

It’s a theory developed by Alfred Wegener

CONTINENTAL DRIFT

It’s a theory developed by Alfred Wegener

It’s one of the several parts in which the Earth’s crust is divided

TECTONIC PLATE

It’s one of the several parts in which the Earth’s crust is divided

It’s an undulation of the Earth’s surface

FOLD

It’s an undulation of the Earth’s surface

It’s a fracture in the Earth’s crust

FAULT

It’s a fracture in the Earth’s crust

It’s an opening in the surface of the Earth through which very hot material (magma)

comes out

VOLCANO

It’s an opening in the surface of the Earth through which very hot material (magma)

comes out

It’s the vibration of the Earth’s crust caused by tectonic plates

EARTHQUAKE

It’s the vibration of the Earth’s crust caused by tectonic plates

It’s a huge wave produced by an earthquake on the ocean floor

TSUNAMI

It’s a huge wave produced by an earthquake on the ocean floor