"Magic Speaker" PPT Courseware 2

Description

"Magic Speaker" PPT Courseware 2

teaching objectives:

1. Understand what ecological agriculture is and how magical it is.

2. Let students feel the role of science and technology in agricultural development.

3. Learn and master the role of examples and other explanation methods in introduction.

think:

1. What does "magical speaker" specifically refer to?

2. Why is it called a “magical speaker”?

Read the text and talk about what is so magical about the "magic speaker"?

Answer: (1) The sound waves it emits can expand the stomata on the leaves of plants, enhance the photosynthesis of plants, thereby stimulating rapid growth of plants. If you "listen to music" to the plants regularly, the plants will thrive along with the music.

(2) After plants listen to music, they can not only increase their yields, but also cure diseases.

Tell me what explanation methods are used in these sentences?

(1) In the cotton field, the cotton was very happy after hearing the sound from the speaker. The seedlings jumped up, the leaves were greener, and the cotton bolls produced were half as many as before.

(2) What’s even more amazing is that after listening to the sound from the speakers, spinach and peas no longer dare to get close to the “rot disease” they are most susceptible to, so there is no need to use pesticides.

Ecological Agriculture:

Through experiments, scientists apply knowledge and high technologies such as electricity, magnetism, light, and heat to agriculture to make crops resistant to diseases and increase production, thereby overcoming the harm caused by the use of chemical fertilizers and pesticides. It protects the environment and is good for health.

Summarize:

This explanatory article tells us that the "magic speaker" is a new achievement of ecological agriculture - applying sound to agriculture, using sound to fertilize plants, reduce pests and diseases, not polluting the environment, and promoting plant growth.

Keywords: Magical speaker courseware, Western Normal University version sixth grade Chinese PPT courseware download, sixth grade Chinese slide courseware download, magical speaker PPT courseware download, .PPT format;

For more information about the "Magic Speaker" PPT courseware, please click on the "Magic Speaker ppt" tab.

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File Info

Update Time: 2024-08-17

This template belongs to Chinese courseware Western Normal University Edition Sixth Grade Chinese Volume 1 industry PPT template

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