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gulf

a large part of the ocean that extends into the land

ocean

a large body of water

coral reef

an ocean ridge made up of skeletal remains of tiny sea animals

peninsula

an area of the land that sticks out into the lakes or ocean

bay

part of a large body of water that is smaller than the gulf

isthmus

a narrow piece of land connecting two larger land areas

island

an area of land surrounded entirely by water

delta

an area where a river deposits soil into the ocean

strait

a narrow body of water connecting two larger bodies of water

sinkhole

a circular depression formed when the roof of a cave collapses

river

a natural flow that runs trough the land

wetlands

an area of land covered by shallow water

lake

an inland body of water

forest

an area of densely wooded land

coast

an area of land near the ocean

valley

an area of low land between hills or mountains

mountain

an area of rugged land that generally rises higher than 2000ft

volcano

an opening in the earths crust

canyon

a deep, narrow with steep walls

glacier

a large area of slow moving ice

hill

a rounded, elevated area of land smaller than a mountain

plain

a nearly flat area

dune

a hill of sand shaped by wind

desert

an extremely dry area with little water and few plants

oasis

an area in the desert witth a water resource

plateau

a large flat elevated area of land

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