"Amber" PPT (Lesson 2)

Description

"Amber" PPT (Lesson 2)

Part One: Learning Objectives

1. Understand the content of the text so that students know the formation and discovery process of amber and its scientific value, and understand the rationality of the author's speculation and imagination. (emphasis)

2. Understand how scientists carry out reasonable imagination and the expressive effect of vivid sentences in the text. (difficulty)

What is amber?

Amber is fossilized pine resin from ancient times and can be used as decoration.

What does the amber in the article look like?

This piece of amber is transparent. A fly or a spider is lying in it, and every hair on their body can be seen.

What is the value of this piece of amber?

From that piece of amber, we can infer the details of the story that happened tens of thousands of years ago, and we can know that in ancient times, there were already flies and spiders in the world.

Amber PPT, part 2 content: text analysis

Read paragraphs 2-12 of the text silently and think about it: What are the main conditions for the formation of this piece of amber? How does the text describe the formation process of this piece of amber?

What are the two stages in the formation of amber?

1. Rosin forms rosin balls. 2. The rosin balls turn into amber.

Read paragraphs 2-9 aloud and talk about the conditions for the formation of this rosin ball?

1. In hot summer, pine trees exude rosin.

2. A spider and a fly.

3. The rosin just covers these two bugs.

4. The rosin continues to drip.

There are several places in the text that describe the sun. How are they written? In which three words are the changes in temperature concentrated?

There are three places: 1. One summer day, the sun was shining warmly.

2. The sun is shining brightly.

3. The midday sun shines hotly on the entire forest.

Warm, fiery, hot, the changes in the heat of the sun indicate that the weather is very hot.

Amber PPT, the third part: summarizing the main idea

This article uses reasonable imagination to describe the formation process of a piece of amber in detail, indicating that flies and spiders have existed for more than 10,000 years.

words about imagination

Sweet dreams, wishful thinking, whimsical thoughts, wild imaginations

Idiots talk about dreams, are illusory, rambling, and unrealistic.

Random thoughts, nonsense, whims, dreams

Painting cakes to satisfy hunger, empty and empty, castles in the air, short-lived

Amber PPT, Part 4: Text Exercises

1. Fill in the appropriate words in the brackets.

( ) The sound of the ground ( ) The green wings

( ) sunshine, ( ) rosin

Struggle ( ) about ( ) things

The waves of ( ) The tears of ( )

2. Fill in the blanks.

1. All in all, it will be ( ) years.

2. In summer, the midday sun shines brightly on the entire forest.

3. (　) Roaring and roaring far away.

4. The spider ( ) jumped over, ( ) and a terrible thing happened. A large drop of rosin dripped from the tree, ( ) fell on the trunk, and wrapped the flies and spiders ( ) inside.

3. Complete the sentences as shown.

Example: The reason why it is inferred that flies and spiders struggled is because there are several circles around the two small legs in amber.

1. The reason why we speculate that the story takes place in a pine forest is because ____________________.

2. The reason why it is speculated that the earth's crust has changed is because ____________________________.

3. The reason why it is speculated that the weather is very hot is because_________________________________________.

Keywords: Free download of PPT courseware for the fourth grade Chinese language volume 2 of Ministry of Education Edition, Amber PPT download, .PPT format;

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"Amber" PPT (Lesson 1):

"Amber" PPT (Lesson 1) Part One Content: Learning Objectives 1. Recognize 12 new characters such as amber, amber, hum, and fat, and be able to write 15 new characters such as anger, roar, fat, swab, and so on. Understand words composed of new words. (Key points) 2. Understand the content of the text and clarify the narrative sequence of the text. ..

"Amber" PPT (second lesson):

"Amber" PPT (Second Lesson) Part One: Learning Objectives 1. Read the text emotionally and understand the main content of the text. 2. Understand the formation process of amber, the conditions necessary for its formation and its scientific research value, and stimulate students' interest in exploring the mysteries of nature. ..

"Amber" PPT (first lesson):

"Amber" PPT (Lesson 1) The first part of the content: Reading aid information package Amber: Resin was buried underground tens of millions of years ago. It is a resin fossil formed after certain chemical changes. It is an organic Mineral-like. Amber comes in many shapes, depending on...

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Update Time: 2024-07-29

This template belongs to Chinese courseware People's Education Press fourth grade Chinese language volume 2 industry PPT template

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