Fifth Grade Science Volume 1, Textbook Edition
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Third Grade Science Volume 1, Textbook Edition
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Fourth Grade Science Volume 1, Textbook Edition
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Fifth Grade Science Volume 2, Textbook Edition
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!["Seed Germination Experiment (2)" Biology and Environment PPT Courseware 2](http://daogebangong.oss-cn-beijing.aliyuncs.com/ppt/preview/1/8e7e2717-5098-4abd-870e-83b2ca582e28.webp)
Category | Format | Size |
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Fifth Grade Science Volume 1, Textbook Edition | pptx | 6 MB |
Description
"Seed Germination Experiment (2)" Biology and Environment PPT Courseware 2
1. Experimental implementation plan
How were your experiments conducted?
Report on the status of your group.
2. Discussion of experimental results
Previous question: What are the conditions required for seeds to germinate?
Basic conditions for seed germination
One is temperature. The lowest temperature for seed germination is 6-7°C, and normal germination can occur at 12-14°C. The optimal temperature is 20-25°C, and the highest is 35°C.
The second is moisture. Generally, it needs to absorb 120-140% of the water equivalent to the dry weight of the seed itself to germinate.
The third is sufficient oxygen.
3. Planting mung bean sprouts
Plant the mung beans that have sprouted in the experiment into a flower pot and place them in a suitable place. Let the mung bean sprouts grow for a while.
Guess what conditions will affect the growth of mung bean sprouts.
Communicate findings from experiments
1. How are my mung bean sprouts growing?
2. Why do everyone’s mung bean sprouts grow differently?
3. How can we make mung bean sprouts grow better?
4. What are the necessary conditions for the healthy growth of mung bean sprouts?
If the experimental conditions remain unchanged, what will happen to the mung bean sprouts in the two flower pots?
At the beginning, both groups of mung bean seedlings will grow. The mung bean seedlings without light will grow faster, but the stems are slender and slightly yellow. The mung bean seedlings with light will grow slightly slower, but the stems will be strong and light green. After a few days, the stems of the mung bean seedlings without sunlight will droop, the leaves will turn yellow, and they will gradually die. Mung bean seedlings that are exposed to light continue to grow and have green leaves.
This shows what?
Mung bean sprouts need sunlight to grow.
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For more information about the "Biology and Environment Seed Germination Experiment" PPT courseware, please click the Biology and Environment ppt Seed Germination Experiment ppt tag.
"Seed Germination Experiment (2)" Biology and Environment PPT Teaching Courseware:
"Seed Germination Experiment (2)" Biology and Environment PPT Teaching Courseware Part One: Science Tips Seed Germination First: absorb water and expand. Generally, seeds containing more starch and oil require less water, while seeds containing more protein require more water. Secondly: As the seeds absorb...
"Seed Germination Experiment (2)" Biology and Environment PPT Download:
"Seed Germination Experiment (2)" Biology and Environment PPT Download Part One: Introduction of New Lesson Have all the mung bean seeds we planted sprouted? What about mung bean seeds from other groups? Today we will study further. ... ... ... Seed Germination Experiment PPT, Chapter..
"Seed Germination Experiment (2)" Biology and Environment PPT:
"Seed Germination Experiment (2)" Biology and Environment PPT Part 1: Organizing and analyzing experimental information. Have the mung bean seeds we planted sprouted? What about mung bean seeds from other groups? Collect experimental information from groups doing the same experiment and analyze it together. Experimental group and control...
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Update Time: 2024-09-04
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!["Seed Germination Experiment (2)" Biology and Environment PPT Courseware 2](http://daogebangong.oss-cn-beijing.aliyuncs.com/ppt/preview/1/915a0bfa-7730-4c4e-946b-06e0c1e824e1.webp)