"Only One Earth" Human Home PPT Courseware

Description

"Only One Earth" Human Home PPT Courseware

teaching objectives:

1. Learn 10 new words and correctly read and write words such as "distant, crystal clear, resource, mineral, gift, moderation, depletion, abuse, threat, hope, imagination, immigration, broken, witnessed, amiable".

2. Read the text silently, understand the content, understand the principle of "there is only one earth", and enhance the awareness of caring for the environment and protecting the earth.

3． Understand the accuracy and rigor of expository language and learn the methods of explanation.

What text is used?

The text uses various explanation methods such as listing numbers and giving examples to scientifically introduce various aspects of the earth's knowledge and effectively illustrate the fact that "there is only one earth". Rigorous wording and vivid expression are the main characteristics of the language in this article. At the same time, metaphors, personification and other techniques are used in many places in the text, reflecting the vivid and vivid language of scientific sketches. The full text integrates scientific, artistic and ideological aspects. While introducing scientific knowledge, it can also stimulate readers' emotions and enlighten their thoughts.

1. Understanding of words

Jingying: bright and transparent. The article refers to the earth's appearance being bright and transparent.

Resources: natural sources of means of production or means of living.

Minerals: Natural compounds and a few natural elements present in the earth's crust, with relatively fixed chemical compositions and properties. Most are solid (e.g., iron ore), and some are liquid (e.g., natural mercury) or gaseous (e.g., helium).

Gift: Originally refers to the reward given by the emperor, but now it generally refers to charity given out of mercy.

Abuse: Indiscriminate or excessive use. The text refers to the indiscriminate or excessive use of chemicals.

Threat: Use force to coerce, intimidate, or make someone submit. The article points out that the destruction of natural resources and a series of ecological disasters will cause great harm to human survival, and even ultimately make it impossible for human beings to survive.

Paragraph to the effect:

This article is divided into four sections according to several aspects of the characteristics of things.

The first paragraph (1-2 natural paragraphs): Explain that the earth is the mother of mankind, but the scope of human activities on the earth is only very small.

The second paragraph (3-4 natural paragraphs): Explain that the natural resources possessed by the earth are limited. If humans destroy resources at will, they will deplete resources and pose a serious threat to their own survival.

The third paragraph (natural paragraphs 5 to 7): Explain that humans have nowhere to go and cannot expect to move to other planets after destroying the earth.

The fourth paragraph (natural paragraphs 8-9): Explain the urgency and importance of carefully protecting the earth and protecting the earth's ecological environment.

Three words and sentences understanding

①The earth, the mother of mankind, the cradle of life, is so beautiful, majestic and amiable.

This is the author's praise of the earth, which highlights the loveliness and beauty of the earth and reflects the author's love for the earth. The sentence compares the earth to "mother" and "cradle", explaining that the earth is the place where human beings and all things live and reproduce, and clarifies the close connection between the earth, the survival of human beings and all things. The use of metaphors makes the sentences easy to understand and vivid in expression, making them highly contagious to read.

② Compared with the vast universe, the earth is small.

"Small" means insignificant. This sentence means that in the vast universe, the earth is as small as a small boat in the sea. It can be seen that the scope of human activities is very limited. This shows how precious the earth is to humans, and humans should cherish and protect the earth.

③The water resources, forest resources, biological resources, and atmospheric resources required for human life can be continuously regenerated and contribute to mankind in the long term.

"Original" means "original, previous". It accurately points out that renewable resources have been destroyed, emphasizing the original renewable nature of "water resources, forest resources, biological resources, and atmospheric resources" and highlighting the current non-renewable nature. nature, reflecting the scientific nature and rigor of expository language. Combined with the previous explanation of "mineral resources", it once again confirms the limitations of natural resources and the crises they face, thus giving readers a warning and reminder.

Central idea:

This article introduces the scope of human activities on the earth we live on. The natural resources the earth has are very limited. If humans destroy it at will, it will pose a serious threat to survival. Human beings cannot expect to survive after destroying the earth. Other places to go. Explain the importance and urgency of protecting the earth and protecting the ecological environment.

In-class questions:

1 Read the text silently. Discuss with classmates: What aspects of the earth does the text cover? Why do astronauts who travel in space sigh, "Our earth is too cute, but at the same time too easily broken?"

2 Read the following sentences, pay attention to the red words, and then talk about your understanding of the sentences.

(1) The water resources, forest resources, biological resources, and atmospheric resources required for human life can be continuously regenerated and contribute to mankind in the long term.

(2) Scientists have proven that at least within a range of 40 trillion kilometers centered on the Earth, there is no second planet suitable for human habitation.

3 Give an example of the explanation methods used in the text.

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"Only One Earth" PPT teaching courseware:

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"Only One Earth" PPT:

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Update Time: 2024-10-01

This template belongs to Morality and Society People's Education Press Sixth Grade Society Volume 2 industry PPT template

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