A group or chain of islands clustered together in a sea or ocean.
What is archipelago?
100
A body of water that is partly enclosed by land (and is usually smaller than a gulf).
What is a Bay?
100
A low, watery land formed at the mouth of a river. It is formed from the silt, sand, and small rocks that flow downstream in the river and are deposited in this area.
What is Delta?
100
A body of water that connects two larger bodies of water. It is also part of a river or harbor that is deep enough to let ships sail through.
What is a Channel?
100
A raised area or mound of land.
What is a Hill?
200
A deep valley with very steep sides - often carved from the Earth by a river.
What is Canyon?
200
A long, narrow sea inlet.
What is Fjord?
200
A very dry area.
What is Desert?
200
A long-lasting, slowly-moving river of ice on land.
What is a glacier?
200
A piece of land that is surrounded by water.
What is an Island?
300
A narrow strip of land connecting two larger landmasses and has water on two sides.
What is an isthmus?
300
A part of the ocean (or sea) that is partly surrounded by land (it is usually larger than a bay).
What is a Gulf?
300
A land formation with a flat area on top and steep walls - usually occurring in dry areas.
What is is a Mesa?
300
A large body of water surrounded by land on all sides.
What is a Lake?
300
A very tall high, natural place on Earth - higher than a hill.
What is a Mountain?
400
A body of land that is surrounded by water on three sides.
What is a peninsula?
400
A body of saline water that composes a large part of a planet's hydrosphere.
What is an Ocean?
400
Land with relatively low relief that is flat or gently rolling.
What is are plains?
400
A small body of water surrounded by land and smaller than a lake.
What is a Pond?
400
A high Plain or tableland in an area of highland, usually consisting of relatively flat terrain.
What is a Plateau?
500
A cold, treeless area; it is the coldest biome.
What is Tundra?
500
A large, flowing body of water that usually empties into a sea or ocean.
What is a River?
500
A low place between mountains.
What is Valley?
500
A large body of salty water that is often connected to an ocean. It may be partly or completely surrounded by land.
What is a Sea?
500
A mountainous vent in the Earth's crust. When it erupts, it spews out lava, ashes, and hot gases from deep inside the Earth.