an area of land surrounded entirely by water
island
a nearly flat area
plain
an opening in Earth's crust where lava, ash, and gases erupt
volcano
an inland body of water
lake
a large body of water
ocean
an area of land covered by shallow water
wetland
a large, flat, elevated area of land
plateau
an extremely dry area with little water and few plants
desert
an area of low land between hills or mountains
valley
a large part of the ocean that extends into land
Gulf
a circular depression formed when the roof of a cave collapses
sinkhole
an area of land near the ocean
coast
a rounded, elevated area of land smaller than a mountain
hill
an area of rugged land that generally rises higher than 2,000 feet
mountain
part of a large body of water that is smaller than a gulf
bay
an area of land that sticks out into a lake or ocean
peninsula
an area of densely wooded land
forest
an area in the desert with a water source
oasis
a large area of slow-moving ice
glacier
a natural flow of water that runs through the land
river
a narrow piece of land connecting two larger land masses
isthmus
an ocean ridge made up of skeletal remains of tiny sea animals
Coral Reef
an area where a river deposits soil into the ocean
delta
a deep, narrow valley with steep walls
canyon
a narrow body of water connecting two larger bodies of water
strait