First, the teaching requirements:
1. Be able to read the text correctly, fluently and emotionally.
2. Understand the profound sentences in the text.
3. Learn from Zhu Kezhen's meticulous attitude in scientific research and know that only through accurate and meticulous observation can we master the laws of things.
2. Teaching focus:
Guide students to grasp key sentences, grasp doubts in learning, think while reading, and understand the thoughts and feelings of characters.
Three. Teaching process:
(1) import
1. Tell me which scientist's story is written in this text? [Blackboard: Zhu Kezhen]
2. How many times did Zhu Kezhen see apricot flowers in the article? (twice)
When are they? (A year ago, a year later)
(2) The first time (learning 1-5 natural paragraph)
1. Read freely and tell me what you have read. What else don't you understand?
2. Discussion (students can answer each other, and the teacher only explains).
3. Guide reading aloud.
4. Focus on guiding the third paragraph and understand the role of words.
Slide show:
"Yes, the apricot blossoms are in bloom." As he spoke, Grandpa Zhu bent down and habitually asked, "Do you know when the apricot blossoms will bloom?"
(Bend over: It shows that Grandpa Zhu is approachable and amiable. "Habitual questioning" shows that Zhu Kezhen has developed a scientific spirit and attitude of active exploration and seeking truth from facts during his long-term phenological observation. )
5. Practice reading in groups of four.
One reads Grandpa Zhu's words, one reads children's words, one reads narration, and the other reads judgments.
6. Practice reading by name.
(3) The second time (learning paragraph 6- 15)
1. Teacher's statement: A year ago, the child could not answer the opening time of the first apricot flower. With Grandpa Zhu's entrustment, a year later, the child had an answer. In the sixth paragraph of the article, the author painted a picture of spring scenery with concise and beautiful writing. Who will read it?
2. Read by name, highlighting key words such as "blue, wrinkle and drum".
Read together
4. Focus on dialogue reading.
(1) First reading: read freely in a low voice. Think about who said this. Add a hint for it. After the discussion, play the slide show.
A child outside the window cried eagerly, "Grandpa Zhu! Grandpa! "
Grandpa Zhu asked calmly, "What is it?"
The child () said calmly, "Grandpa Zhu, the apricot blossoms are in bloom!" " "
Grandpa Zhu asked calmly, "When?"
The child said calmly, "Just now."
Grandpa Zhu asked calmly, "Is it the first flower?"
The child said calmly, "Yes."
(2) Read the second time: discuss at the same table. In what tone should you read every sentence? Say and summarize the answers:
Strange, happy, excited, proud, suspicious, sure.
(3) Read aloud for the third time: read aloud according to the prompt and tone.
(4) Reading for the fourth time: name one to read Grandpa Zhu's words, one to read the children's words, and the rest to read the narration.
(7 - 14)
5. Teacher's statement: From the students' reading aloud, it is not hard to hear that Grandpa Zhu and the children are very excited and excited. Nawanglao
The teacher can't help asking the children why they are happy. Why is Grandpa Zhu happy?
The child is happy that he has finally finished the task assigned by Grandpa Zhu last year. Grandpa Zhu said excitedly that he finally figured out the opening time of the first apricot flower. )
6. Besides the dialogue, where can you see it?
Play slides and read aloud to understand the function of words.
"Grandpa Zhu was a few decades younger and immediately rushed to the front yard."
7. What does "solemn" mean? What did you learn from the day when the first apricot flower was "seriously planned"?
("solemn" means serious. Zhu Kezhen's rigorous and meticulous attitude towards scientific research can be seen from his "careful planning". [blackboard writing: meticulous]
Teacher: Yes, "meticulous". Grandpa Zhu's words also confirm this point.
4. Point out the center (learning paragraph 16)
1. Slide show:
"What I need is the exact time. In scientific research, we can't use words like' probably' and' possible', nor can we use estimation and inference instead of observation. "
2. Read freely and tell me what you have read.
3. How to understand the word "accuracy"? (Very accurate) Can you talk about it in combination with the last article?
Instruct reading aloud
Grandpa Zhu, as a naturalist, how did he get his achievements? Did you find the reason?
6. Summary:
As Grandpa Zhu said, it is through years of accurate observation that the laws of climate change have been mastered.
[blackboard writing: accurate observation]
The teacher added the diary of Zhu Kezhen and Nature: Zhu Kezhen observed nature accurately: when was the first flower, the first frog, the first thunder, the first fallen leaves, the first frost and the first rain? His notebook is the epitome of nature.
7. Read Grandpa Zhu's words again to deepen your own experience.
Verb (abbreviation for verb) summarizes transfer.
1. Read this text with emotion.
2. Summary: This paper tells a short story about Zhu Kezhen, a famous scientist in China, who studied phenology, and praised Zhu Kezhen's meticulous scientific attitude, saying that it is only accurate and meticulous.