A piece of land projecting out into a body of water, almost surrounded by water.
peninsula
A very steep, vertical face of rock, earth, or ice.
cliff
The top of a mountain.
peak
Large valley with very steep sides and usually a river flowing along the bottom.
canyon
It's similar to a bay, but larger.
gulf
Low area of land between hills or mountains.
valley
A sudden drop of water along the river course.
waterfall
A mountain with a large, circular hole at the top through with lava inside it.
volcano
Large hole in the side of a hill, cliff, or mountain, or underground.
cave
Where a river splits and spreads out into branches before going to the sea.
delta
A body of water surrounded by land.
lake
The name of large caves.
cavern
Large mass of ice that moves slowly.
glacier
Natural flow of water across the land into the sea or a lake.
river
A large area of flat land with few trees.
plain
Massive and really elevated portion of the Earth's crust.
mountain
Large area covered with lots of trees where different animals live.
jungle/forest
A piece of land surrounded by water.
island
An area, often covered with sand or rocks, where there is very little rain and not many plants.
desert
An area of land that is higher than the surrounding land, but not as high as mountains.
hills
Wide valley, open area between hills and sometimes with rivers.
dale
It's similar to a gulf, but it is smaller.
bay
A narrow piece of land connecting two larger areas of land with water on both sides.
isthmus
A hill of sand near a beach or in a desert.
dunes