"Population Growth and Family Planning" PPT download

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"Population Growth and Family Planning" PPT download

Part One: Introduction of New Course

Now the population of the earth has exceeded 7 billion. Do you know what a population of 7 billion means?

learning target

1. Understand the population growth situation of the world and our country.

2. Understand the impact of population growth on the environment.

Population Growth and Family Planning PPT, Part 2: Learning New Knowledge

1. The world’s population is growing rapidly

The time required for the population to double is called the doubling period. The following table shows the time it takes for the world's population to increase by 1 billion.

Activity: Explore trends in world population growth

group discussion

1. Why is the world’s population doubling period getting shorter and shorter?

2. If this trend continues, what will happen to the world’s population?

3. What impact will population growth have on the environment?

4. Is there any way to slow down the growth trend of the world’s population?

2. The earth’s carrying capacity is limited

What impact will population growth have on our home, the biosphere?

lack of food

Food is the most basic material condition for human survival and development.

One in five people in developing countries does not have access to enough food.

Population Growth and Family Planning PPT, Part 3: Feedback in class

1. As the earth’s population surges, which of the following phenomena may occur ( )

① Fresh air ② Increased resource consumption ③ Improved environmental quality ④ Reduced deforestation ⑤ Intensified mountain development

A. ①③④ B. ①②④

C. ③⑤ D.②⑤

2. my country’s cultivated land accounts for ( ) of the world’s total cultivated land

A.7% B.22% C.17% D.30%

Keywords: Beijing Normal University Edition Biology PPT courseware for eighth grade volume 2 free download, population growth and family planning PPT download, .PPT format;

For more information about the PPT courseware "Man and the Environment Population Growth and Family Planning", please click the "Man and the Environment PPT Population Growth and Family Planning PPT" tab.

"Population Growth and Family Planning" PPT courseware download:

"Population Growth and Family Planning" PPT courseware download Part One: New Lesson Introduction There is a huge contradiction between the explosive growth of the world's population and the limited capacity of the earth. How to effectively solve this contradiction? Learning Objectives 1. Explain Planned...

"Population Growth and Family Planning" PPT courseware:

"Population Growth and Family Planning" PPT Courseware Part One Content: Growth of World Population Activity: Explore the trend of world population growth. Based on this trend, please estimate what the world's population will be in 2050? Discussion Why is the world's population doubling period getting shorter and shorter? ..

"Population Growth and Family Planning" PPT:

"Population Growth and Family Planning" PPT Part One Content: Learning Objectives 1. Understand the population growth status of the world and my country by querying relevant information, and learn how to query information. 2. Understand the impact of population growth on the environment, resources and ecological balance, and recognize...

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Update Time: 2024-09-22

This template belongs to biology courseware Beijing Normal University Edition Eighth Grade Biology Volume 2 industry PPT template

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