"The Germination of Seeds" New Life PPT Courseware 2

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"The Germination of Seeds" New Life PPT Courseware 2

Conditions for seed germination:

Suitable temperature, certain moisture, and sufficient air.

suitable soil

The functions of each part of the seed:

Seed coat: protective. It also protects the seeds from damage.

Cotyledons: There are two, thick, storing nutrients, and finally become smaller and disappear.

Germ: The part that bears young leaves. eventually develop into stems and leaves

Radicle: connects the opposite end of the germ. finally develop into roots

Divide the seeds with complete and full particles into two groups, A and B, and sow them separately at about 25°C. Group A is planted in fertile and moist soil, and group B is planted in poor and moist soil. The germination status of these two groups of seeds is: ( )

A B sprouts first and B A sprouts first

C sprouted at the same time D did not sprout at all

There is a riddle describing the peanut fruit: "The hemp house, the red curtain, and the fat white man lives inside." The hemp house refers to the peanut fruit ( ), the red tent refers to ( ), and the white fat man refers to ( )

A. Peel B. Seed C. Seed coat

D.Embryo E.Endosperm F.Cotyledon

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For more information about the PPT courseware "The Germination of the Seed of New Life", please click the "Germination of the Seed of New Life ppt" ppt tag.

"The Germination of Seeds" New Life PPT Download:

"The Germination of Seeds" New Life PPT Download Part One: Introduction of New Knowledge Guess what plants originally developed from? The seeds that are spread out will germinate and grow into a new plant when the conditions are suitable. What's inside the seed? Why can...

"The Germination of Seeds" New Life PPT:

"Germination of Seeds" New Life PPT Part One: Soaking Seeds Collect some broad bean, rape, and soybean seeds. Observe the similarities and differences in their appearance. Take 10 seeds each of broad beans, rapeseed, and soybeans, and place them in a pot filled with 200 ml of water.

"Germination of Plant Seeds" PPT courseware:

"Germination of Plant Seeds" PPT Courseware Part One Content: Classroom Observation Observe the internal structure of kidney bean seeds: Use a blade to make a small opening in the curved part of the seed, peel off the seed coat, and then gently break it open to observe the internal structure with a magnifying glass. Observe and think. : 1. Bean seeds..

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Update Time: 2024-10-27

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

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