"Our Great Harvest" Plant Growth Changes PPT Courseware

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"Our Great Harvest" Plant Growth Changes PPT Courseware

March 23 (seeding)

1. Sowing method (see book p4)

2. What can you do if you want to see the germination process of seeds? (see book p4 below)

3. Impatiens is a dicotyledonous plant, and its seeds are composed of seed coat and embryo. The embryo consists of radicle, germ and cotyledons.

4. During the seed germination process, the role of cotyledons is to provide nutrients. The first pair of leaves of the plant are the cotyledons inside the seed.

April 3 (germination) (13th day after sowing)

This is the first pair of leaves of the impatiens - the cotyledons.

The cotyledons are light green, oval, with smooth surface and no obvious veins.

During the germination process of impatiens seeds, the role of cotyledons is to provide nutrients.

Our great harvest

Planting one seed can yield hundreds of seeds. This is a great harvest for us, and it also shows that impatiens have a strong reproductive capacity.

The composition of impatiens:

A complete impatiens (green flowering plant) consists of six parts: roots, stems, leaves, flowers, fruits, and seeds. During the growth of the plant, it requires sunlight, soil, suitable moisture, temperature and other conditions.

Focus on reviewing the functions of each part of the impatiens (especially root p8, stem p13, and leaf p11), which are explained in detail in the book.

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"Our Great Harvest" PPT download of plant growth changes:

"Our Great Harvest" PPT download on the growth and changes of plants Part 1: Introduction of new knowledge What we sowed was one seed at the beginning, but how many seeds have it turned into now? What do you know by observing the fruits of impatiens? The fruits of impatiens are oval and green (..

"Our Great Harvest" Plant Growth Changes PPT:

"Our Great Harvest" PPT on the Growth and Changes of Plants Part One: We Harvest the Seeds After several months of growth, the impatiens have bloomed and bear fruit, and flower farmers will also welcome the joy of a bumper harvest. How many seeds can be harvested from one impatiens plant? Let's make a simple...

"Our Great Harvest" Plant Growth Changes PPT Courseware 3:

"Our Great Harvest" Plant Growth Changes PPT Courseware 3 Pre-class Test What are the four main parts of a flower? Calyx, petals, stamens, pistils. True or False: Flowers must be able to turn into fruits. ( ) Flowers must be pollinated to have a chance to develop into fruits. ..

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Update Time: 2024-09-25

This template belongs to science courseware Third Grade Science Volume 2, Textbook Edition industry PPT template

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