"Sleep of Plants" PPT courseware

Description

"Sleep of Plants" PPT courseware

acacia tree

Its leaves are composed of many small pinnae. They are stretched and flat during the day, but when night falls, the countless small pinnae fold and close in pairs, like mimosa leaves that have been bumped by hands. Close it up.

water lily

The water lily blooming on the water, whenever the sun rises, its beautiful petals slowly unfold, as if it has just woken up from a deep sleep; and when the sun sets, it closes its petals and goes to sleep again. state.

do you know?

As far as we humans are concerned, sleep is entirely a conscious activity of the nervous system. The "sleep" movement of plant leaves and flowers is a reaction affected by external factors such as light and darkness, temperature, dryness and humidity of the air. In biology, it is called plant sensitivity, which is the inductive movement of plants.

plant sleep

The text talks about seven kinds of plants in total, in order: Albizia julibrissin, clover, peanut, water lily, dandelion, carrot and tuberose. The first three plants rely on leaves to sleep, and the last four plants rely on flowers to sleep. Most plants bloom during the day and sleep at night. Only tuberose sleeps during the day and blooms at night because it attracts moths to impart pollen.

The plants are presented below in the order in which they appear in the text:

Read aloud the sentence describing water lily emotionally. Why is it called water lily?

Keywords: Download the courseware of Plants’ Sleep, download the third-grade Chinese PPT courseware of Western Normal University Edition, download the third-grade Chinese slide courseware, download the PPT courseware of Plants’ Sleep, .PPT format;

For more information about the "Sleep of Plants" PPT courseware, please click the "Sleep of Plants" ppt tag.

"Sleep of Plants" PPT courseware 3:

"Sleep of Plants" PPT courseware 3 Learning objectives: Read the text carefully to understand how plants sleep, and practice reading the text correctly, fluently and emotionally. Let children feel the magic of the plant world and cultivate their interest in exploring the mysteries of nature. Self-study guide 1 Self-study guide...

"Sleep of Plants" PPT courseware 2:

"Sleep of Plants" PPT Courseware 2 Thinking: What kinds of plants are mentioned in the text and how do they sleep? Albizia Julibrissin tree: The countless small pinnae are folded and closed in pairs, like mimosa leaves that have been bumped by hands, all closed together. Red Clover: But by the time...

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Update Time: 2024-09-08

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

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