"The Loess Plateau with crisscrossed gullies" PPT courseware where water and soil support people

Description

"The Loess Plateau with crisscrossed gullies" PPT courseware where water and soil support people

Part One: Overview of the Loess Plateau

Judging from the four major geographical divisions, it is located in the ________ region;

From the position of the stairs, it is located on the ________ step;

Viewed from the monsoon zone, it is located in the ________ zone.

The scope of the Loess Plateau

The Loess Plateau stretches from _____ in the east, to _____ in the west, to _____ in the north, and to ____ in the south. It is the plateau with the largest loess coverage in the world.

Which provincial administrative regions does the Loess Plateau span?

Qinghai, Gansu, Ningxia, Shaanxi, Shanxi, Henan, Hebei, Inner Mongolia

Loess Plateau with ravines and crisscrosses PPT, part 2: Soil and water loss in the Loess Plateau

Material 1: Loess has a loose structure, with many pores and vertical cracks; many substances are easily soluble in water.

Material 2: People have over-exploited, causing serious damage to vegetation.

1) Based on the picture on the left, what are the characteristics of precipitation in Yan’an?

Concentrated in summer and strong

2) Based on the above graphic information, tell us the reasons for serious soil erosion in the Loess Plateau? (Precipitation, soil quality, vegetation, human factors)

natural factors

Terrain ----The ground has a steep slope

Characteristics of loess - loose soil, porous and poor corrosion resistance

Precipitation---Precipitation is concentrated and there are many heavy rains, and the seasonal differences are large.

Vegetation---extremely lacking

Human Factors

Reclamation, mining, road building, grazing

Make the surface looser and have less vegetation

Loess Plateau PPT with crisscrossed ravines, the third part: Feeling the culture of the Loess Plateau

Ansai waist drum is a unique folk large-scale dance art form with a history of more than 2,000 years, and is among the first batch of national intangible cultural heritage.

A house “dug out” from the loess

Combined with the graphic information in P41, let’s talk about:

1) What are the characteristics of cave dwellings?

2) What is the relationship between the construction of cave dwellings and the local environment?

Cave dwellings are adapted to the geology, landform, climate and other natural conditions of the Loess Plateau.

Millet, known as millet or millet in ancient times, is drought-tolerant and has many varieties. It is the main food crop on the Loess Plateau.

PPT on the Loess Plateau with crisscrossed ravines, part 4: Shaanxi’s top ten monsters

noodles like belt

Generally in the rural areas of Guanzhong, Shaanxi, when a girl grows up, she will first not be able to sew a piece of clothing or embroider a flower, but will be able to roll out a chopping board full of noodles, so that she can be appreciated by her husband's family when she gets married.

Guokui is like a pot lid

Spicy is a dish

In the Guanzhong area of ​​Shaanxi Province, almost everyone does not like to eat chili peppers. Some people like to eat it in the city, some in the countryside, adults and children also like to eat it. Even a toddler who has just learned to walk has to rub half a hot steamed bun in his hand until it turns red with hot pepper.

Dishes and basins are indistinguishable

People in Shaanxi call their rice bowls not rice bowls but laowen bowls. It can be seen that the word "老" does not represent how long the history of Laowan is, but the meaning of "boss" in the bowl. In fact, Lao Wan is among the rice bowls, and Lao Wan is definitely the well-deserved "big brother" in Wan's family.

handkerchief headband

Because Shaanxi is located in the Loess Plateau in the northwest, it has strong sunshine, drought and little rain, and there are many windy and sandy weather. Therefore, rural women wear handkerchiefs on their heads when working hard.

Keywords: free download of PPT courseware of history and society in the second volume of the seventh grade of People's Education Press, PPT download of the Loess Plateau with crisscrossed ravines, PPT download of where water and soil support people, .PPT format;

For more information about the PPT courseware "A Side of Water and Soil Supports a Side of People, a Loess Plateau with crisscrossed ravines", please click on the "A Side of Water and Soil Supports a Side of People, a Loess Plateau with crisscrossed ravines" ppt tag.

"How to Carry out Social Investigation" The soil and water support the people PPT:

"How to Carry out Social Investigation" PPT Part One: The meaning of social investigation. What is social investigation? It refers to the application of scientific methods to conduct on-site inspections of specific social phenomena to understand the various causes and related connections of their occurrence, so as to propose untie..

"The Holy City on the Plateau - Lhasa" The soil and water support each person PPT courseware:

"The Holy City of Lhasa on the Plateau" PPT courseware where the soil and water support the people. Part 1: Introduction of the new lesson Lhasa Holy Land, Buddha Land and Holy City. Where is the focus of learning: Where is the Holy City? How about: In what ways does the Holy City perform? Why: Why did it become a holy city? ..

"The Holy City on the Plateau - Lhasa" The soil and water support the people PPT:

"The Holy City of Lhasa on the Plateau" A land and water support a people PPT Part One: Geographical Location Lhasa City is located in the southeast of Tibet, on the north bank of the Lhasa River, a tributary of the Brahmaputra River, and is the capital of the Tibet Autonomous Region. Terrain Terrain: Plateau (Qinghai-Tibet Plateau) with an altitude of more than 3,600 meters..

File Info

Update Time: 2024-10-27

This template belongs to History courseware People's Education Press History and Society Grade 7 industry PPT template

Preview