Geography

Physical geography can be divided into many broad categories, including:
圖片參考：http://upload.wikimedia.org/wikipedia/commons/thumb/8/88/New-York-Jan2005.jpg/96px-New-York-Jan2005.jpg
Social geographyTransportation geographyTourism geographyUrban geographyVarious approaches to the study of human geography have also arisen through time and include:Behavioral geographyFeminist geographyCulture theoryGeosophyIntegrated geographyMain article: Integrated geographyIntegrated geography is the branch of geography that describes the spatial aspects of interactions between humans and the natural world. It requires an understanding of the traditional aspects of the physical and the human geography, as well as the ways that human societies conceptualize the environment.Integrated geography has emerged as a bridge between the human and the physical geography, as a result of the increasing specialisation of the two sub-fields. Furthermore, as human relationship with the environment has changed as a result of globalization and technological change, a new approach was needed to understand the changing and dynamic relationship. Examples of areas of research in the environmental geography include: emergency management, environmental management, sustainability, and political ecology.

你問的問題很簡單, 不過要回答你, 就一點都不簡單了.
介紹你用一個網上的 Geography Dictionary,
是全英文的, 試下用啦, 會學到好多野!

例子:
冰河時期
Cambrian -in geologic time, a period lasting from 570m to 505m years ago.
火山
Volcano -a mountain created by the eruption and deposition of lavas and ashes from a vent in the ground in a volcanic area.
風化作用
Weathering -breakdown of rock in situ by physical and chemical processes due to the presence of water, plants and animals. Rates vary according to additional controls of temperature, rock type and time.