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!["Seed Germination Experiment (1)" Biology and Environment PPT Courseware](https://resources2020.oss-cn-beijing.aliyuncs.com/resources2020/fb1f0c1cf6e076a561d686a909080f38.jpg)
Category | Format | Size |
---|---|---|
Fifth Grade Science Volume 1, Textbook Edition | pptx | 6 MB |
Description
"Seed Germination Experiment (1)" Biology and Environment PPT Courseware
scientific concept
Seed germination requires certain conditions
Process and Method
Go through the process of seed germination experiments, use comparative experiments to observe, and record the conditions that affect seed germination.
Emotions, attitudes, values
Develop an interest in experimental observation
Discuss the design experiment plan:
1. What problem do you want to study and how do you plan to do it?
2. What do you predict the outcome will be?
3. What conditions were changed in your research?
4. Which conditions have not changed?
5. How to know whether the changed conditions have an impact on seed germination?
6. What should we pay attention to during experimental research?
Why use three seeds?
It is to remind students of the rigor of scientific experiments. If only one seed is used and the seeds do not germinate, it may not be due to the experimental conditions but to the fact that the seeds themselves cannot germinate. Using three seeds reduces this possibility.
An experiment must be conducted by at least two groups at the same time, emphasizing the repeatability of scientific experiments.
An experimental conclusion must be supported by multiple repeatable evidences.
practise
1. When studying the effect of water on seed germination, the conditions that do not need to be controlled are _____, ______, ______, _______, and the conditions that need to be controlled are _______.
2. When doing a comparative experiment, only _____ conditions are different, and the other conditions are _______.
3. When doing comparative experiments, the group that is consistent with our guess is called _____, and the group that is inconsistent with our guess is called _____.
1. Put two groups of the same seeds, one group at room temperature and one group in the refrigerator, keep the low temperature, and add an appropriate amount of water to both. The conditions changed in this experimental design are ( )
A. Light B. Temperature C. Water
2. Two groups of identical seeds are placed at room temperature. One group is exposed to light and an appropriate amount of water is added. The other group of seeds is covered with a paper box and a small amount of water is added. This experimental design ( )
A. It is scientific B. It is unscientific C. It is impossible to judge
3. The own conditions for seed germination ( )
A. Complete living embryo B. Suitable temperature C. Sufficient air
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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: 2024-08-21
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![《种子发芽实验(一)》生物与环境PPT课件
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