"Natural Features and Agriculture" Northern Region PPT Courseware 3

Description

"Natural Features and Agriculture" Northern Region PPT Courseware 3

learning target:

1. Through map reading and analysis, clarify the scope and natural characteristics of the northern region.

2. Analyze the causes, impacts and measures of spring drought in northern areas.

3. Understand the relationship between agricultural production and the natural environment in the northern region, and cultivate students' concepts of sustainable development.

Study and explore:

1. Natural characteristics

1. Location and scope

Name the geographical things represented by the letters in the picture and observe the location range of the northern region?

A Greater Khingan Mountains, B east of the Qinghai-Tibet Plateau

To the east is C Bohai Sea and D Yellow Sea.

E South of Inner Mongolia Plateau

FQinling-GNorth of Huaihe River

2.Topography and rivers

Read the map and tell us what is the main terrain of the northern region?

plains, plateaus

Name the temperature zone represented by the letters in the picture?

1. Northeast District

Cold temperate zone.Medium temperate zone.Warm temperate zone

Humid and semi-humid areas

Temperate monsoon climate

2. North China District

warm temperate zone

semi-humid areas

Temperate monsoon climate

3. Complete the activity questions on page 10 of the textbook.

2. Important dry farming areas

Read the picture on the right and find out from the picture what are the main food crops and cash crops? and complete the table below:

Thinking: What is the biggest problem affecting agricultural production in the north (North China Plain, Loess Plateau)?

Reasons: Precipitation is less and concentrated in summer, irrigation water sources are insufficient, and spring drought is severe.

Inquiry: 12 pages of textbook activities to understand the causes and countermeasures of spring drought in the North China Plain.

1. Tell us the characteristics of spring temperature changes and precipitation in the North China Plain?

2. Discuss the impact of spring climate characteristics in the North China Plain on crop growth?

3. How people in North China cope with the spring drought.

Causes and measures for serious spring drought in northern China:

(1) Reasons: ① The temperature in the north rises quickly in spring, evaporation is large, precipitation is low, and river runoff is small; the climate is drier; ② In spring, the north is during the period of crops turning green and emerging, and farmland requires large amounts of water, exacerbating the spring drought.

(2) Measures: ① Build water conservancy projects such as reservoirs and carry out cross-basin water diversion, such as South-to-North Water Diversion; ② Promote sprinkler irrigation and drip irrigation technologies and develop water-saving agriculture; ③ Plant trees to conserve water sources; ④ Save water and prevent water pollution.

practise

1. The northern region is located to the east of _______ and _______ plateau, to the south of _______ plateau, to the north of __________, and to the east is the _______ sea and _______ sea.

2. In northern my country, there are _______ plains called fertile black natives, __________ plateaus with deep soil, and __________ plains formed by alluvial deposits of rivers such as the Yellow River.

3. The northern region mostly has a humid and semi-humid __________ climate; most of the cultivated land is __________. The Northeast Plain is rich in _______, _______, _______, and _______; the North China Plain is the main producing area of ​​_______, _______, and _______ in my country; the Loess Plateau mainly produces _______.

4. The residents of the Northeast and North China Plains mainly eat _______, while the residents of the Loess Plateau eat _______ as their main food.

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Update Time: 2024-11-25

This template belongs to Geography courseware People's Education Edition Geography for Eighth Grade Volume 2 industry PPT template

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