"Why are the flowers so red" PPT courseware 3

Description

"Why are the flowers so red" PPT courseware 3

1. Knowledge accumulation

Expository writing uses description as the main expression, and explains things or explains things as the main content. It introduces the shape, structure, category, characteristics, and functions of things or explains the meaning, principles, relationships, evolution, etc. of things.

Common explanation methods:

Define, list numbers, give examples, classify, make analogies, make comparisons, explain, copy situations, draw charts, etc.

2. Interactive Classroom

What structure and order does this article use to explain why the flowers are so red?

The first natural paragraph of the text praises the beauty of flowers and asks the question "Why are the flowers so red?"

What expression is used in this paragraph? what's the effect?

Inquiry activities

From which different perspectives does the text answer this question? Try to see if you can draw the structure of the article.

Summarize

This article uses different angles to explain things, and uses a variety of explanation methods such as examples, categories, comparisons, and numbers. Make relatively abstract scientific knowledge concrete and clear.

The expressive function of the text title:

First, it is to raise questions by grasping the well-known characteristics of flowers ("red"), which helps to remind the center of the article.

Second, it is designed to arouse doubts and interest, and is attractive.

Third, the main part of the article explains the reasons why the flowers are so red from six aspects. Each aspect starts with "Why are the flowers so red", which makes the article clear in context, fast-paced and adds artistic interest.

Cooperative learning

1. There is a kind of wild flower that often blooms in the equatorial region. According to the meaning of the text, what is the usual color of this wild flower?

2. There was a tourist who got lost on an unnamed island one day. He saw many plain flowers blooming on the island. Based on this information, do you know what some of the animals and climate conditions are like on this unnamed island?

3. Some people say that flowers of the same species have only one color in the wild. If other colors appear, they must be artificially cultivated. Do you think it is correct? Please explain why.

4. The original colors of flowers were not so rich and relatively single, so why did they become as colorful as they are now?

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"Why are the flowers so red" PPT:

"Why Are the Flowers So Red" PPT Part One Content: Text Introduction Flowers in nature are colorful and colorful. Classmates, when you stroll in the garden and enjoy the beauty and fragrance given to you by orchids in spring, lotus in summer, chrysanthemums in autumn, and plums in winter, have you ever...

"Why are the flowers so red" PPT courseware 11:

"Why Are the Flowers So Red" PPT Courseware 11 Independent Communication Overall Perception Read the text in the way you like and try to solve the following problems. 1. Pronounce the following dotted words: burn ( ) injury naked ( ) seed nectary ( ) secretion ( ) calyx ( ) flower (..

"Why are the flowers so red" PPT courseware 10:

"Why Are the Flowers So Red" PPT courseware 10 About the author Jia Zuzhang (19011988) is a famous biological science writer. A native of Haining, Zhejiang. His works are conveyed vividly and vividly in colorful literary ways. Scientific knowledge, mainly biology, realizes literature and...

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Update Time: 2024-11-22

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

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