The biggest body of salt water.
ocean
A place where a stream or river falls from a high place, for example over a cliff or a rock.
waterfall
An area of trees.
woods
An area of land that is higher than the land around it, but not as high as a mountain.
hill
A tropical forest where trees and plants grow very thickly.
jungle
A piece of land that is surrounded by water.
island
A large area of land that has very little water and very few plants growing on it; usually covered by sand.
desert
A large area of water that is surrounded by land.
lake
A deep valley with steep sides of rock.
canyon
A large hole in the side of a hill/mountain or under the ground.
cave
A natural flow of water that continues in a long line across land to the sea/ocean.
river
A very high hill, often with rocks near the top.
mountain