"Topography of the World" PPT

"Topography of the World" PPT

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"Topography of the World" PPT

Part One: Course Introduction

Professional geographical terms closely related to terrain

Altitude: the vertical distance above sea level at a point on the ground

Relative height: The vertical distance between a point on the ground and another point on the ground

Characteristics of plains and plateaus

plain

The plain has a lower altitude (below 200 meters)

plateau

The plateau has a higher altitude and steeper edges.

Characteristics of mountains and hills

Mountain

More than 500 meters above sea level, with steep slopes and deep ravines

hills

The relative height generally does not exceed 200 meters

Topography of the world PPT, part 2: corresponding training:

1. The relative height of the world’s highest peak (8844 meters) and the lowest point (-400 meters) is ( ) meters.

2. The bottom of a certain basin is 900 meters lower than the peak of 768 meters above sea level. The relative height of the two is ( ) meters.

3. The flagpole on the playground is 10 meters high, which refers to the height of ( ).

The topography of the world PPT, the third part: content learning

Plain: It is a vast flat area with low altitude, mostly between 0 and 500 meters above sea level, usually in coastal areas.

Those with an altitude of 0-200 meters are called low plains, and those with an altitude of 200-500 meters are called high plains.

The causes are classified into alluvial plains, marine plains, moraine plains, and glacial plains.

Plateau: The altitude is generally above 1,000 meters. It has a vast area and open terrain. It is bounded by obvious steep slopes. A relatively complete large-area uplifted area is called a plateau.

Mountainous areas: refer to highlands with an altitude of more than 500 meters, with great undulations, steep slopes, deep valleys, and are generally distributed in a vein shape.

A mountainous area is an area where many mountains are located, which is different from a single mountain or range.

Hills: refers to the gently undulating shape of the earth's surface, with an absolute height within 500 meters and a relative height no more than 200 meters, and a slope combination composed of various rock types. The slope is generally gentle, cut and broken, and has no certain direction.

Basin: a basin-shaped terrain surrounded by mountains and plateaus, with plains or hills in the middle;

When a plain is surrounded by mountains, it is a landform type composed of a plain and a hillside facing the plain.

Keywords: Free download of Geography PPT courseware for the second volume of the sixth grade of Shanghai Education Edition, PPT download of world terrain, .PPT format;

For more information about the "Topography of the World" PPT courseware, please click the "Topography of the World" ppt tag.

"Topography of the World" PPT courseware:

"Topography of the World" PPT courseware Part One: Altitude and Topography 1. Altitude and relative height Altitude is the vertical distance above sea level at a location on the ground. Relative height refers to the vertical distance between one location on the ground and another location. 2. Land terrain..

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