"Our knowledge is limited" PPT download

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"Our knowledge is limited" PPT download

Part One Content: Text Introduction

Do students still remember "Experiment on the Leaning Tower"? Who is the protagonist in the article? ——Galileo. What impressed us most about Galileo in this article was his challenge to authority, pursuit of truth, and courage to explore. This is a great man, but this great astronomer and physicist said that our knowledge is limited.

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Understand the role of examples in articles, and learn how articles use a large number of typical examples to illustrate principles.

Learn how to arrange the order of explanations and the structure of the article according to the characteristics of the explanation object.

Realizing that knowledge is limited and the universe is infinite, we should continue to explore.

Our knowledge is limited PPT, part 2: information link

Galileo Galilei (1564-1642), a pioneer of modern experimental science, was a great astronomer, mechanics, philosopher, physicist, and mathematician in the late Italian Renaissance. He was also a pioneer of modern experimental physics and was known as " The father of modern science." He is a warrior who fights relentlessly for the truth. Engels called him "one of the giants who was able to break old theories and create new ones regardless of obstacles." He is the author of "Messenger from the Stars", "Letters on Sunspots", "Dialogue on the Two World Systems of Ptolemy and Copernicus", "Conversations and Mathematical Proofs on Two New Sciences", etc. His important discoveries in astronomy strongly proved Copernicus' heliocentric theory.

Classification of expository texts

According to the different objects and purposes of explanation, expository essays are divided into two categories: expository essays about things and explanatory essays about affairs.

The explanatory object of a thing expository essay is a specific thing. By objectively and accurately explaining the shape, structure, nature, characteristics, uses, etc. of the specific thing, readers can understand and recognize this or this type of thing.

The explanation object of the explanatory essay is an abstract matter. It is an expository essay that mainly analyzes the cause-and-effect relationship of things and introduces scientific principles. What this kind of expository text follows is first of all the logical sequence, that is, the internal relationship of things and the laws of understanding things. If the explanatory essay of things focuses on writing "what", then the explanatory essay of things focuses on writing "why". In other words, the explanatory essay mainly answers the question "why".

Our knowledge is limited PPT, part three: preview feedback

1. Read the pronunciation of the characters

Chirp Chirp Chirp Very different

The next day, trembling, the next building

Menshu Explanation Forgiveness

2. Write the glyph

yì ( ) break, startle ( )

wú ( ) Ning zhì ( ) interest

dǔ ( ) letter ox dú ( )

Yourouguǎ( )break

Three. Remember the meaning of a word.

1. Rhetoric: Speaking or writing articles are exaggerated and unrealistic.

Analysis of rhetoric and eloquent talk: "Rhetoric" focuses on speaking unrealistically. Generally used as a derogatory term. For example: Instead of talking too much, it is better to calm down and do something seriously. "Talk with great eloquence" means to speak confidently and calmly. For example: He, who is usually taciturn, unexpectedly spoke so eloquently in the debate, which was surprising.

2. Indecisive: hesitant and not decisive in doing things. Example: Overcoming indecision requires us to have confidence in ourselves.

3. Off the beaten track: few people go there. Used to describe desolate and remote places. Example: The ancient Silk Road, which used to be visited by many people in history, has now become an inaccessible desert.

Our knowledge is limited PPT, Part 4: First Reading Perception

judgment

Introduction 1. What is the relationship between knowledge and judgment?

sound

Introduction 2: What voices are written in the article? What do these sounds have to do with “knowledge”?

cicada

Introduction 3. What does it mean to understand the shell of the clam and end up in ignorance?

Hierarchy

Part One (①): Put forward an important discovery of your own: people with shallow knowledge like to boast, while people with rich knowledge are often hesitant when judging certain new things.

Part 2 (②): Describe in detail the process of "once upon a time there was a man" who became more and more ignorant as his knowledge increased.

Part Three (③): Using the analogy of the unknown cicada’s vocalization principle to show that it is not surprising that he does not know the cause of the formation of comets.

Our knowledge is limited PPT, Part 5: Intensive Reading Taste

1. What is the expression of "based on" and "seems to"?

[Answer] "Based on" means that the discovery is not fabricated out of thin air, but is based on a large number of facts. "Seem" means "as if", indicating that this "discovery" is unconscious, and the feeling gradually becomes clear from hazy. These two words are used here to reflect the accuracy of expository language.

2. What is the role of the descriptive sentences about the shepherd boy playing the flute in paragraph 2 of the article?

[Answer] highlights the person's ignorance of the flute, shows that he observes carefully, and adds to the interest of the article.

Reading method decryption

Analysis method of the role of descriptive paragraphs in expository texts. The functions of descriptive paragraphs in expository texts: 1. To enable readers to have a more detailed and in-depth understanding of the things described. 2. Improve readers’ understanding of the content. When answering such questions, adopt the following pattern: describe the content of..., highlight..., be vivid in language, stimulate the reader's interest in reading, etc.

Our knowledge is limited PPT, part six: study and inquiry

[Difficult Exploration] What method is used to explain the truth in paragraph 2 of the article? What is the expressive effect?

[Answer] The author uses the method of setting up questions layer by layer and explaining them one by one, telling stories and reasoning. The article writes about the sound of birds, flutes, violins, door pivots and hinges, knocking on cups... cicadas, etc., indicating that there are many unimaginable ways of making sounds that are unknown to people. Throughout the text, the protagonist's knowledge increases again and again, and he turns to describe his increasing awareness of his own ignorance. It closely adheres to the "discovery" written in the first paragraph, which has a strong argumentative effect. The author concretizes abstract principles and turns trivial examples into stories, making them interesting to read. He constantly enriches his own opinions in the writing, allowing readers to appreciate the fun of the story and at the same time identify with the author's views and accept the author's ideas. opinion.

Our knowledge is limited PPT, part seven: summary

This article uses the fact that one person's understanding of the causes of sound and music has gradually deepened and developed, but he became more and more confused. It illustrates the truth that our knowledge is limited, encourages people to continue to explore the unknown world, and uncover the truth that things are getting better and better. More and more secrets.

1. This article has typical use cases and vivid descriptions.

The author condenses the history of people's understanding of sound for thousands of years into one person's story, which is concentrated and compact, and narrates the story in vivid and vivid language, making the article easy to understand and full of interest.

2. The article is full of suspense and cleverly arranged.

The article highlights the contradiction between the character's self-perception and objective reality in the story, and uses a large number of related words. It writes that this person thinks he understands how to make sounds or musical sounds, but in fact there are new problems in front of him that confuse him. Such an ingenious arrangement is novel and unique.

Our knowledge is limited PPT, Part 8: Expansion and Extension

Galileo used a typical example to explain a profound truth to us in a popular and vivid way: "Our knowledge is limited." Yes, there are still many unsolved mysteries in this world waiting for us to explore and find answers. As long as we always maintain the same curiosity as this person, pursue persistently, and explore unremittingly, then each of us will shine as brightly as the sun.

Keywords: Jiangsu Education Edition eighth grade Chinese PPT courseware for the second volume free download, our knowledge is limited PPT download, .PPT format;

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"Our knowledge is limited" PPT:

"Our Knowledge is Limited" PPT Part One Content: Author Introduction Galileo Galilei (1564-1642), Italian physicist, astronomer, and pioneer of the scientific revolution. Known as the father of modern science. Advocate the use of observation and experiment methods to study the natural world and discover...

"Our knowledge is limited" PPT courseware 4:

"Our Knowledge is Limited" PPT Courseware 4 Teaching Objectives: 1. Understand the content of the text, appreciate the typical use cases in this article, and describe the vivid language features; 2. Cultivate language skills and correctly explain the vivid language used; 3 .Understand the meaning expressed in the article..

"Our knowledge is limited" PPT courseware 3:

"Our Knowledge is Limited" PPT Courseware 3 Teaching Objectives: 1. Knowledge and Skills: Learn how to use typical examples to illustrate things in vivid narratives; 2. Process and Methods: Use learned reading methods to cultivate independent reading Ability to expository writing; 3..

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Update Time: 2024-11-12

This template belongs to Chinese courseware Jiangsu Education Edition Chinese Language for Eighth Grade Volume 2 industry PPT template

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