"Leaves of Plants" PPT

Description

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

Part One: Help Baby Ye find friends

mission accomplished:

(1) How many leaf babies are there in your group?

(2) How many types of leaves are there? Why is it so divided?

(3) You think ( ) and ( ) are the same species because ( ).

Self introduction

A complete article by Ye Zibaobao said: "We all have the same structure..."

Can the children guess what the little leaves said?

Plant leaves PPT, part 2: composition of leaves

A leaf is composed of three parts: petiole, blade and stipule. The leaves are flat and green and are the main part of the leaf to perform its functions.

A leaf that has three parts: blade, petiole, and stipule is called a complete leaf, while a leaf that lacks any one or two of these parts is called an incomplete leaf.

Plant leaves PPT, the third part: extracurricular extension

1. Check the information:

Why do the leaves of these plants stay green all year round?

2. Prepare materials for the next class:

A ruler, 4 leaves of different sizes, record book.

Keywords: Qingdao edition fourth grade science PPT courseware free download, plant leaves PPT download, .PPT format;

For more information about the "Leaves of Plants" PPT courseware, please click on the "Leaves of Plants" PPT tab.

"Plant Leaves and Transpiration" PPT courseware:

"Plant Leaves and Transpiration" PPT courseware Part One: Leaf Structure Although the shapes of leaves are diverse, their basic structures are similar. A leaf is composed of petiole and blade, and blade is composed of epidermis, mesophyll and veins. ..

"Plant Leaves and Transpiration" PPT:

"Plant Leaves and Transpiration" PPT Part One Content: Leaf Structure Leaf Structure Leaf Petiole: It is the channel through which the stem transports water and inorganic salts to the leaf. Leaf structure Upper and lower epidermis Epidermal cells: colorless and transparent, irregularly shaped Cells: in half-moon shape..

"Leaves of Plants" PPT download:

Plant Leaves PPT Download Part One: Exploration Activities Warm Tips: Find a plant with leaves and water it enough. Cover the plant's branches and leaves with a clear plastic bag and tie the bag tightly. Place the plant in a sunny location and pay attention to the phenomenon. in conclusion..

File Info

Update Time: 2024-11-22

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

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