Land
A flat land on a big surface of the Earth
Plain
A small piece of land with water all around it
Island
The natural process that causes rock to break down over time
Weathering
An area with higher land around it
Valley
mountain that opens downward to a pool of molten rock
Volcano
A very large body of water
Ocean, Sea
The moving of smaller pieces of broken rock by natural forces.
Erosion
A deep valley with steep walls shaped by a river
Canyon
A small mound of land
Hill
A body of water surrounded by land, except on one side
Bay
Must occur before erosion can take place.
Weathering
Having a very sharp slope near water
Cliff
An area of land higher than the land around it, but flat
Plateau
A piece of land surrounded by water except on one side
Peninsula
Natural erosion forces
Temperature changes, wind, water or ice.
A VERY deep space (like a hole, in land or under water)
Abyss
a group of mountains is
A range
A formation at the end of a river where sediments collects
Delta