| Category | Format | Size |
|---|---|---|
| Hunan Education Edition Fourth Grade Science Volume 2 | pptx | 6 MB |
"Unintentional Intention of Willows and Willows" PPT
Description
Hunan Education Edition Fourth Grade Science Volume 2, Unintentional Intention Will Shade PPT Download
Part One: Experimental Procedures
Yong Liu
The jasper is as tall as a tree,
Thousands of green silk ribbons hang down.
I wonder who cuts out the thin leaves?
The spring breeze in February is like scissors.
step:
(1) Choose strong willow branches;
(2) Only a few leaves remain on the willow branches;
(3) Cut the lower end of the branch into an oblique cut;
(4) Dig a small hole and insert the branches;
(Note: Water the willow branches every day.)
The unintentional willow tree PPT, Part 2: Answers to questions
Question (1): Why only a few leaves are left?
Reduce evaporation
Question (2): What is the purpose of cutting branches into diagonal cuts?
Increase the suction surface
Question (3): Why not just plug it in? Want to dig a hole?
Prevents bruising of new sections of plants
Keywords: Free download of science PPT for the second volume of the fourth grade of the Hunan Education Edition, download of the PPT courseware of Unintentional Intention, .PPT format;
For more information about the PPT courseware "Unintentionally Planting Willows and Willows," please click the "Unintentionally Planting Willows and Willows" ppt tag.
"Unintentional planting of willows will create shade" PPT courseware:
Hunan Education Edition, fourth grade science, second volume, unintentional planting of willows and willows will make shade PPT courseware Part 1: Basic concepts Cutting The method of inserting stems directly into the soil to reproduce offspring is called the cutting method. Grafting: Grafting the branches or buds of one plant onto the stem or roots of another plant to make...
"Unintentional planting of willows creates shade" PPT:
Hunan Education Edition 4th grade science volume 2, unintentionally inserting willows and willows will create shades PPT Part 1: Concept interpretation What technology is used in the poem "unintentionally inserting willows and willows will form shades"? Cutting: Cut a branch with buds and insert the lower part into moist soil. The key to successful cutting...
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Update Time: 2024-07-03
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