"The Mystery of Cloning" PPT courseware

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"The Mystery of Cloning" PPT courseware

Looking at the topic, what questions do the students have?

(1)What is cloning?

(2) Where is the mystery of cloning?

(3)What is the function of cloning?

Learn the first to fourth natural paragraphs:

1. Read the first paragraph silently: What is cloning? How does the text explain it?

2. How to read the first natural paragraph? Who will try?

Read the second natural paragraph silently and draw sentences about "sexual reproduction" and "asexual reproduction" of animals while reading. What are the differences between them? How do you understand it? Group communication and reporting.

How are plants cloned? Read the third natural paragraph of the text by yourself and draw a sentence that says "Plants all have the innate ability to clone". Which types of plant cloning are introduced in the text? Where's the wonder?

Study the fifth natural paragraph:

1. Can higher animals be cloned? Read the fifth natural paragraph. What did you understand?

2. What was the name of the first cloned sheep? How did you get your name? What is the significance of the birth of "Dolly"?

Let’s talk about the significance of cloning technology.

① Cloning technology is of great significance in cultivating high-quality, high-yielding new varieties of grains and vegetables, and cultivating high-quality livestock.

② Cloning is of great significance in protecting ecology.

③Cloning technology is medically meaningful.

Summarize the text

1. Read the full text together: What is written in the text and in what order is it written? What explanation method was used?

2. After reading the text, what do you think?

Cloning technology benefits mankind. This is a huge contribution of scientists. We must learn from scientists’ spirit of diligent thinking and love for science.

Extracurricular homework

1. Complete the exercises after class.

2. Collect some knowledge about cloning after class.

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"The Mystery of Cloning" PPT Courseware 2:

"The Mystery of Cloning" PPT Courseware 2 We know that higher animals generally reproduce through the combination of male and female germ cells. This kind of reproduction is called sexual reproduction. In other words, every animal has its own mother and father. If you don't go through both sexes...

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Update Time: 2024-11-22

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

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