"The Mystery of the Lemmings" PPT Courseware 7

Description

"The Mystery of the Lemmings" PPT Courseware 7

learning target

Knowledge and Ability Objectives: Understand knowledge about lemmings; develop research capabilities.

Process and Method Objectives: Learn the author's writing techniques to tell stories in engaging dialogue.

Emotions, Attitudes and Values ​​Goal: To inspire curiosity to explore mysteries; to draw attention to human population issues.

Learn important and difficult points

1. Characteristics of lemmings.

2. Develop research capabilities.

3. Narrate the content of the text yourself and answer the riddle of the lemmings.

About the Author

Wei Menghua (1940-) was born in Pingdu, Shandong. In 1962, he was admitted to the Beijing Institute of Geology and studied geophysical exploration. After graduating in 1967, he engaged in exploration and research on the causes of earthquakes and earthquake prediction. In 1978, it was incorporated into the Institute of Geology of the State Seismological Administration. In 1981, he went to the United States for further study as a visiting scholar, and went to Antarctica in October 1982. Since then, he has formed an indissoluble bond with the two poles. After returning to China in 1983, he immersed himself in comprehensive research on Antarctica.

Text explanation

1. The article describes several mysteries about lemmings. What are they?

The biggest secret of lemmings is their amazing reproductive ability, which is the best in the animal world. A pair of lemmings can equal nearly a million lemmings in a year.

2. Speculate the cause of the lemming mystery

Lemmings are animals with a strong sense of community. Perhaps lemmings have the instinct to maintain ecological balance and allow nature to develop harmoniously.

3. This article is a scientific sketch, which uses a "narrative framework and dialogue method to introduce scientific knowledge." It can be said to be a hybrid of narrative and expository writing, or a cross-stylistic style. Identify the six elements of this article's narrative.

What insights did you gain from studying this article?

(1) There are many mysteries in nature that humans cannot explain yet and require continued research. Everything in nature is the object of natural scientific research. Of course, scientific research cannot be without utilitarian purposes, but the utilitarian purposes cannot be too narrow.

(2) Human beings should not reproduce without restraint.

(3) We have seen the noble dedication to science in Menghua and Dennis.

(4) Only innovative research methods and ways of thinking can reveal the mysteries of nature.

(5) Nature itself has a regulatory mechanism, and once it is destroyed, it will transform to a new balance.

discuss

Focus on what Dennis said at the end of the article. Does what he said make sense? Talk about your feelings.

"Maybe humans should learn something from lemmings. For example, if humans continue to reproduce without restraint, they may one day have to follow the path of lemmings."

Class summary

"The Mystery of the Lemmings" is a scientific sketch with both literary quality and beauty. The article vividly introduces the three mysteries of lemmings in the form of narrative framework and dialogue, which is novel, interesting and meaningful. Nature is a wise old man who inspires us in many forms. From the lemmings, if we look back at humans, we may learn a lot...

Discussion and practice answers

1. The first mystery is that lemmings have amazing reproductive capabilities; the second mystery is that the reproduction of lemmings is not only restricted, but also once they reproduce too much, various strange phenomena will occur, as if they are trying to commit suicide; third The big secret is that there is a great migration of death. Millions of lemmings rush to the sea and are buried in the sea.

2. 1. Nature itself has a regulating effect. Once the ecological balance is broken, there will be a trend of transformation to a new balance.

2. Human beings should realize from the regulation of nature: Human beings should also pay attention to self-regulation in order to develop harmoniously.

3. The scientific research process must constantly adjust research methods and ways of thinking. Only innovative research methods and ways of thinking can solve the mysteries of nature.

Keywords: teaching courseware, Lujiao version seventh grade Chinese PPT courseware download, seventh grade Chinese slide courseware download, PPT courseware download, .PPT format

For more information about the "Lemmings Mystery" PPT courseware, please click the Lemmings Mystery PPT tab.

"The Mystery of the Lemmings" PPT courseware 6:

"The Mystery of Lemmings" PPT courseware 6 Accumulation of idioms with the word rat Thieving eyebrows and rat eyes Short-sighted rat eyes Rats holding their heads and scurrying Timid as rats Rat belly and chicken intestines Deer head and rat eyes Rat and dog thieves Rat-throwing weapon 1. Read the pronunciation of the following underlined words accurately: comparable to ( ), provocative ( ), convinced ( ), confused ( ) ..

"The Mystery of Lemmings" PPT courseware 5:

"The Mystery of Lemmings" PPT courseware 5 About the author: Wei Menghua was one of the first Chinese to land on the Antarctic continent. He was the first Chinese scientist to enter the Arctic eight times. He was also the first to reach the North Pole eight times. The person who spent the winter in the Arctic and was the first to make friends with the Eskimos...

"The Mystery of Lemmings" PPT courseware 4:

"The Mystery of the Lemmings" PPT Courseware 4 The author is Menghua Ge, a geologist from Shandong. He was the captain of China's first scientific expedition to the North Pole. His main works include "The Strange Continent---Antarctica", "Antarctic Dream", "The Call of the Arctic", etc. Learning objectives 1. ..

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Update Time: 2024-06-21

This template belongs to Chinese courseware Lu Jiao edition seventh grade Chinese language volume 1 industry PPT template

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