"Plant Body" PPT

Description

Qingdao version of fourth grade science volume 1, plant body PPT

Part One: Content Import

Introduction: In the kingdom of plants, there are many green and flowering members! From towering trees to green grass, there are various body shapes and postures.

In fact, moss, tree hangings, and lichens are also plants. There are many strange and strange plants in the world.

Although there are many types of plants, their bodies have many similarities. Students, do you know how many parts the body of a plant is generally composed of? Today we will study the body of plants together.

Observe the following common plants around us:

Question: What parts do you think the bodies of these plants can be divided into? Discuss it with each other at the same table, and please fill it out carefully.

I recorded my observations and then reported the results in groups.

Plant body PPT, part 2 content: Activity: I can also be a "little painter"

Ask students to take out paper and pens, draw a complete picture of a familiar plant on the paper, and mark the names of the plant's body organs (roots, stems, leaves, flowers, fruits, seeds) on the corresponding parts of the plant. See which student can draw well and quickly and fill in the form accurately.

Fig

The fig gets its name because its flowers are inside the ovary, or rather in the rudiment of the fruit, and bees (fig wasps) burrow in through small holes at the bottom and fertilize the flowers.

cactus

The cactus is the national flower of Mexico. In order to adapt to the water-scarce climate of the desert, the leaves evolved into short thorns to reduce water evaporation; the stems evolved into a thick, water-rich shape; at the same time, it grew roots that covered a very large area to absorb water when it rained heavily. The most rain.

Plant Body PPT, Part 3 Content: Class Summary:

The "body" of common green flowering plants generally consists of six parts: roots, stems, leaves, flowers, fruits, and seeds.

Some plants with these six parts can be seen at the same time within a certain period of time. Some plants cannot be seen at the same time because each part appears separately. There are also some plants that have no roots, stems, or no flowers or fruits. Therefore, we usually need to Pay more attention to the plants around you.

Plant Body PPT, Part 4: Consolidation Exercises:

1. Fill in the blanks

The body of a plant is divided into several parts: ( ), ( ), ( ), ( ), ( ), ( ).

2. Judgment of right and wrong

1. When observing plants in the wild, pay attention to caring for them. ( )

2. Impatiens is composed of six parts: roots, stems, leaves, flowers, fruits, and seeds. ( )

3. The bodies of all plants are divided into six parts: roots, stems, leaves, flowers, fruits, and seeds. ( )

3. Choice

of the following plants

1. What we eat are their roots ( )

2. What we eat are their stems ( )

3. What we eat are their leaves ( )

4. What we eat are their flowers ( )

5. What we eat are their fruits ( )

6. What we eat are their seeds ( )

① Sweet potato ② Radish ③ Lotus root ④ Broad bean ⑤ Celery ⑥ Tomato ⑦ Cucumber ⑧ Cabbage ⑨ Daylily (also known as daylily) ⑩ Peanut

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Update Time: 2024-10-31

This template belongs to science courseware Qingdao Edition Fourth Grade Science Volume 1 industry PPT template

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