physical feature
A part of the land or water made by nature, like a mountain, river or lake.
mountain
A very high, steep part of the land, much taller than a hill.
plain
A large area of flat land. Plains are often good for farming.
river
Fresh water that flows across the land, usually into a lake, a sea or an ocean.
lake
A body of water with land all around it. Most lakes are fresh water.
island
Land with water all around it.
valley
A low area of land between hills or mountains. Rivers often flow through valleys.