Landform: the natural features of the Earth’s surface.
Weathering: the process that takes place as rocks and other parts of the geosphere are broken down into smaller pieces.
Mechanical Weathering: is the process of breaking big rocks into little ones.
Chemical Weathering: involves changes that some substances can cause in the surface of the rock that make it change shape or color.
Erosion: the movement of weathered rocks by natural forces.