第13章-美国地理综述.ppt

I. Location and Size II. Topography- the face of the land III. Climate IV. Geographical Regions I. Location and Size South of the Continent of North America Bounded in the north with Canada by the Great Lakes; in the southwest with Mexico by the Rio Grande; in the southeast with the West Indian Islands by the Mexican Bay; to the east with the Atlantic, to the west with the Pacific. There are altogether 50 states a special district: Washington D.C. The 2 overseas states: Alaska Hawaii. Alaska and Hawaii are the two newest states in American. Alaska lies in northwestern Canada，and Hawaii lies in the central Pacific Of all states of American，Alaska is the largest in area and Rhode Island the smallest. But on the mainland Texas is the largest state of the country. I. Location and Size Full country name: The United States of America (USA) Population: 275,000,000 Area: 3,618,000 sq miles (9,370,000 sq km). The 4th largest in the world. Capital city: Washington, DC (pop: 607,000) The U.S has a land area of 9.3 million square kilometers. It is the fourth largest country in the world in size after Russia, Canada and China. People: Caucasian（高加索人，白种人） (74%), African American (12%), Latino (9%), Asian (3%), Native American (0.8%) Languages: English (official language), plus many secondary language, chiefly Spanish Religion: Protestant (56%), Roman Catholic (28%), Jewish (2%), Muslim (1%) Government: Federal republic of 50 states II. Topography- the face of the land 1. Mountains  There are three major mountain ranges: the Appalachians in the east, the Rocky Mountains in the west, and the Sierra Nevada along the border of Nevada and California. Appalachian Mts阿巴拉契亚山脉 Rocky Mts落基山脉 Sierra Nevada内华达山脉 the Appalachian mountains Run from the northeast to southeast Lower than the Rockies because they are older Have been worn out over million years They are called the Green mountains and the White mountain in New England, the Catskill in New York, the Alleghenie