"Population and Race" Residents and Settlement PPT Courseware 4

Description

"Population and Race" Residents and Settlement PPT Courseware 4

Population problems

If the population in an area is too large or too small, or if the population grows too fast or too slowly, it will become a population problem.

think

What problems will arise from excessive population and excessive population growth?

1. Problems caused by rapid population growth

Traffic jam

Crowded housing

Employment difficulties

hunger poverty

2. Problems caused by too slow population growth

Aging population

labor shortage

Insufficient resources for national defense

Big social burden

3. Implementation in countries with different population growth conditions

Different population policies Read P74

Population problems

Overpopulation, growing too fast

birth control policy

The population is too small and there is negative growth

Encourage childbirth policy

in conclusion

1. Population development must be compatible with social and economic development and coordinated with the environment and resources.

2. Control the population size, improve the quality of the population, and follow the path of sustainable development

4. Different races

1. The three major races and their classification basis:

Human beings in the world can be divided into three main races according to their physical characteristics: white, yellow and black.

2. Physical characteristics of the three major human races

She is from Asia and is of yellow race. She has yellow skin, straight black hair, a flat face and medium body hair.

She is from Europe and is Caucasian. Her skin color, eye color, and hair color are very light. Her hair is naturally wavy, her nose bridge is high, her lips are thin, and she has a lot of body hair.

She is from Africa and is black. She has dark skin, curly hair, thick lips and little body hair.

think

(1) What races are mainly distributed in northern Africa, western Asia and northern India?

(2) In addition to Asia, which continents have more yellow people?

(3) Fill in the table with the main distribution areas of the three major races

Race main distribution area

Caucasian Europe, North Africa, West Asia, South Asia, America and Oceania

Yellow people: Eastern and southeastern Asia, northern North America, and northwest South America

Black people Sub-Saharan Africa, southern India, parts of the Americas and Oceania

Distribution characteristics of the three major ethnic groups:

The same human race has both large-scale concentrated distribution areas and small-scale sporadic distribution in the world. Some areas have become mixed areas of different races.

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For more information about the PPT courseware "Residents and Settlement Population and Race", please click the "Residents and Settlement ppt Population and Race ppt" tab.

"Population and Race" Residents and Settlement PPT Courseware 8:

"Population and Race" Residents and Settlement PPT Courseware 8 Teaching Objectives: 1. Understand the changing trends of world population, and master the problems and countermeasures caused by too fast or too slow population growth. 2. Learn to calculate the natural population growth rate and population density. 3. Master the world population distribution..

"Population and Race" Residents and Settlement PPT Courseware 7:

"Population and Race" Residents and Settlement PPT Courseware 7 Course Standards 1. Understand the characteristics of population growth and distribution. 2. Understand world population issues and their impact on society, the environment and the economy. 3. Understand the characteristics and distribution of the three major human races in the world. Knowledge and Abilities 1. Learn...

"Population and Race" Residents and Settlement PPT Courseware 6:

"Population and Race" Residents and Settlements PPT Courseware 6 1. Use maps and information to describe the characteristics of world population growth, and draw relevant columnar line charts based on relevant demographic data. 2. Use maps to describe the characteristics of world population distribution and analyze their impact on world population.

File Info

Update Time: 2024-09-06

This template belongs to Geography courseware People's Education Edition Geography for Grade 7 Volume 1 industry PPT template

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