"The Invention of Paper" PPT

Description

"The Invention of Paper" PPT

Part One: First Lesson

Cai Lun During the Eastern Han Dynasty, he summed up the experience of his predecessors and invented new technologies to produce a large amount of light and cheap paper. Papermaking is also one of my country's four great inventions.

four great inventions

The four great inventions are the greatest cultural achievements of our country. Including: papermaking, compass, gunpowder, movable type printing.

I will admit it

Create, work together, save

manufacturing cai lun europe society

word explanation

Creation: Creation is to produce or create something that did not exist before.

In terms of ship design, the Chinese have created the largest number of ship patterns in the world.

Cast engraving: Cast engraving. This article refers to the inscriptions engraved on Yin and Zhou bronzes, also called Zhongdingwen.

The ancients cast characters on bronze vessels.

Silkworm cocoon A cocoon formed by silkworms that can be used to weave cloth.

Classroom drill

1. Multiple choice questions.

Which of the following options is not one of my country’s four great inventions ( )

A.Papermaking

B.Compass

C. Wheel

2. Determine right and wrong.

1. The word "tired" in "tired" is pronounced as lèi, not lěi. ()

2. The lower part of "record" in "record" is "water". ()

3. Connect the following words with appropriate combinations with lines.

The Invention of Paper PPT, Part 2 Content: Second Lesson

In the last class, we learned new words and learned about my country's four great inventions. This class allows us to once again step into the long history of our country and appreciate the story of Cai Lun's papermaking.

Interactive classroom

Freely read the second natural paragraph:

1. Use " " to draw what method your ancestors used to write.

2. Use " " to mark the shortcomings of this method.

3. What related words are used in the text? Can you choose one to make a sentence?

Discussion: Understand the related words in the following sentences and choose one to make a sentence.

1. To record something, use a knife to carve words on tortoise shells and animal bones, or cast words on bronze vessels.

2. Later, people carved characters on bamboo and wood chips.

3. Later, when silk was woven into silk, it was possible to write on the silk.

raw material:

About 1,900 years ago during the Eastern Han Dynasty, a man named Cai Lun absorbed people's long-term accumulated experience and improved papermaking technology. He chopped or cut bark, hemp heads, straw, rags and other raw materials, soaked them in water and pounded them into pulp; then he took the pulp out and dried it in the sun, and it became a kind of paper that is both light and easy to use.

Think: Why use these materials?

word accumulation

Read, carry, save, accumulate

Cut into pieces Xuefu Wuche Mash

Structure sorting

No paper: oracle bone inscriptions, golden tripod inscriptions, bamboo slips

With paper: less output, rough and difficult to write on

Cai Lun paper: light and easy to use, high quality and low price, spread all over the world

Class exercises

1. Fill in the blanks according to the text content.

Ancient people needed to use a cart to read books, which can be described by the idiom __________. The reason is that the books at that time were made of bamboo slips, which were too heavy. Later Cai Lun invented paper. This kind of paper can be described by the idiom __________.

2. Please write a paragraph based on the example sentence.

Example: my country's papermaking technology first spread to the neighboring Korean Peninsula and Japan, and later spread to the Arab world and Europe.

When my mother went out, she first told me to take the keys to the house, and then told me not to forget to take my umbrella.

4. Think about people’s daily life, if you were asked to make paper, what material would you choose? Tell us your reasons.

Examples: grass, straw, waste paper, etc.

Keywords: Free download of Chinese PPT courseware for the second volume of the third grade of the People's Education Press, PPT download of the invention of paper, .PPT format;

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File Info

Update Time: 2024-11-10

This template belongs to Chinese courseware People's Education Press Chinese Language for Grade 3 Volume 2 industry PPT template

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