| Category | Format | Size |
|---|---|---|
| Hunan Education Edition Fourth Grade Science Volume 2 | pptx | 6 MB |
Hunan Education Edition Fourth Grade Science Volume 2
Description
Hunan Education Edition Fourth Grade Science Volume 2 "Understanding Seeds and Studying Conditions for Seed Germination" PPT courseware
You say I say
What external conditions are required for seed germination?
Explore the environmental conditions for seed germination
1. Ask questions
Do seeds need soil to germinate?
2. Make assumptions
Seeds require soil to germinate.
3. Make a plan
Written Expression
1. Prepare 2 identical containers, numbered A and B.
2. Add 30 mung bean seeds to each
3. Add a small amount of soil to bottle A and no soil to bottle B.
4. Add a small amount of water to bottles A and B and place them in the same place in the living room.
5. Observe the changes in seeds every day
Use your brain and hands:
Students ask you to design: Understand seeds and study the conditions for seed germination
Conditions affecting seed germination:
Certain moisture, sufficient air, and suitable temperature
Ask each student to choose one of the above conditions, ask questions, make assumptions, and make plans.
Experimental design sharing
Ask students to conduct group discussions and exchanges based on their own designs, and modify and improve their design plans. Each group will come up with the best plan to prepare for exchange in the class.
group discussion
1) Which bottle of seeds is easiest to germinate? Why?
2) What are the differences between the conditions of bottle No. 1 and bottle No. 2? What conditions do they study for seed germination?
3) What are the differences between the conditions of bottle No. 2 and bottle No. 3? What conditions do they study for seed germination?
4) What are the differences between the conditions of bottle No. 2 and bottle No. 4? What conditions do they study for seed germination?
5) Which one is a controlled experiment? What conditions did you find for the controlled experiment?
6) Is it okay to only put one seed in each bottle? Why?
Keywords: Teaching courseware to understand seeds and study the conditions for seed germination, download the fourth-grade science slide courseware, download PPT courseware to understand seeds and study the conditions for seed germination, .PPT format;
For more information about the PPT courseware "Understanding Seeds and Studying the Conditions for Seed Germination", please click the "Understanding Seeds and Studying the Conditions for Seed Germination" ppt tag.
"Understanding Seeds and Studying Conditions for Seed Germination" PPT courseware download:
Download the PPT courseware "Understanding Seeds and Studying the Conditions for Seed Germination" in the second volume of the fourth grade science edition of Hunan Education Edition. Textbook Analysis Cultivate students' scientific inquiry ability by exploring the environmental conditions for seed germination. This section focuses on training controlled experiments, and through student independent It was found out...
File Info
Update Time: 2024-07-02
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