"Nanotechnology is all around us" PPT (first lesson)

Description

"Nanotechnology is all around us" PPT (first lesson)

Part One: Learning Objectives

1. Be able to recognize 13 new characters such as "kill, bacterium", etc., and be able to write 15 new characters such as "billion, quality".

2. Learn how to combine this material with the text through various channels. (emphasis)

3. Preliminarily perceive the meaning of the text and understand the content of the text. (emphasis)

Nanotechnology is all around us PPT, part 2: self-reading tips

Ask the students to read the text freely, pay attention to the correct pronunciation of the characters, read the sentences thoroughly, and read the difficult parts several times.

I will admit it

Ping Pong has sterilization and deodorization

vegetables carbon nanotubes cancer rates

disease focus

Polyphonic characters

Read the sentences below and see what you find out?

Cancer is scary, but if it can be found when there are only a few cancer cells, the mortality rate can be greatly reduced.

Read: He completed the work first (shuài), and the monitor praised him for his high efficiency (lǜ).

understand words

【Nanotechnology】【Rise】【Micro】【Microscope】【Novelty】

[Benefit] [Shelf Life] [Sensitive] [Detection] [Lesions]

Check self-reading status

Read the text by name, and students will comment on each other: whether the pronunciation of the characters is correct and whether the sentences are smooth.

Read the text again and think about what is written in the text?

This is a popular science explanatory article that introduces what nanotechnology is and its characteristics.

Nanotechnology is around us PPT, the third part: I can write

accept

Structure: left and right

Sound sequence: N Radical: 纺

Group words: cashier, open to all rivers

Sentence: Nanotechnology has become one of the most influential fields in the scientific and technological world in the 21st century.

Writing guidance: The two folds of "纺" are both long and short. The lower frame of "内" is slightly wider. The first stroke starts from the top of the frame and is slightly straight.

possess

Structure: left and right

Sound sequence: Y Radical: 扌

Group words: crowded, swarmed in

Sentence: Every child has the right to education.

Writing instructions: The left side is narrow and the right side is wide, the vertical part of "扌" should be long, the frame of "Yong" should be slightly wider, the left side should be straighter, and the vertical strokes of the horizontal hook should be strong.

Nanotechnology is around us PPT, part 4: Class summary

What did you feel after reading the text for the first time?

After reading this text, we can truly feel the magic of nanotechnology.

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

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Update Time: 2024-07-22

This template belongs to Chinese courseware The second volume of fourth-grade Chinese compiled by the People's Education Publishing House industry PPT template

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