Teaching objectives
1. Learn to learn new words;
2. Understand how a dinosaur evolved into a bird, and speak in an orderly way;
3. Be able to read the text correctly and fluently;
Teaching preparation
1. Teacher prepares courseware: dinosaur pictures in the book (dinosaurs can walk and sing). A picture of dinosaur fossils found in western Liaoning, a paragraph about dinosaurs evolving into birds ("among them, ... a brand-new life world"), and a small blackboard.
2. Students prepare: models, drawings and materials of various dinosaurs. Words and dictionaries.
first kind
First of all, the courseware shows the dinosaur picture in the book and introduces the topic.
Before the students watched the dinosaur exhibition, the vivid dinosaurs were reproduced on the screen just now. Next, let's learn the text about dinosaurs.
Second, reading problems
1. Read the topic together.
2. Query 1. Do you have any questions after reading the questions in the preview? Raise your hands, please. If some students don't, let them read the topic again and think about it. 2. What are the problems? Speak separately. There may be different views on the same meaning: how can dinosaurs as we know fly into the blue sky without wings? How did dinosaurs fly into the sky? Strange! Dinosaurs can still fly!
Initially dispel doubts
Through preview, do you know where the text answers your questions? Please raise your hand, please read and think again. If you don't know, please read the text to find the answer. (Give some time to read)
2. Be an example of reading, listening and thinking in life.
(3) Speak separately (incorrect`, read by the whole class, argue and then say)
Dinosaur fossils with feather prints were found in western Liaoning. Show the courseware and the teacher will explain it. The third paragraph answers that dinosaurs evolved into birds.
(4) Transition: This issue will be further studied in the second class. Next, let's learn new words and remove reading obstacles.
Third, the students' new words
1. Show the new words on the blackboard.
2. Require self-study: Students should understand the meaning of new words according to the content of the text. Help each other: If you don't understand the meaning of a word, look it up in the dictionary and discuss it with your classmates. Teachers patrol to guide the poor.
3. Read the new words and say their forms and meanings respectively.
Soar in the air: fly in a roundabout way in the sky.
Slow: (senses, thoughts, actions, etc. ) slow and inflexible. This article refers to Baimenxilong (see figure or shape).
Not only ... but also the sentences in the text.
Agility: quickness and agility in action, etc. This article refers to some carnivorous dinosaurs, whose bodies gradually became smaller, looked more and more like birds, and acted quickly and sensitively.
4. Read new words (draw, read together, read without syllables)
Read the text and understand the words you don't understand
1. Read the text by yourself and make sentences with words you don't understand.
2. Check the words and dictionaries, discuss with students who don't understand, and participate in the teacher's guidance.
Colorful: colorful.
Kinship: consanguinity. For example, you are related to your father, mother or sister.
Descendants: descendants of people who have died. The birds in this article may be descendants of small dinosaurs.
Ecstatic: Very happy. This article refers to the discovery of dinosaur fossils with feathers by researchers all over the world, which can prove that dinosaurs evolved into birds and were very happy.
Evolution: evolution. This article mentioned the evolution from dinosaurs to birds.
Reproduction: gradually increase
Bird wing: the flying organ of birds, which evolved from forelimbs and has feathers on it.
There is no doubt: there is no doubt.
Verb (abbreviation for verb) Read the first and second paragraphs of since the enlightenment by yourself.
1. First, read out the main meaning of each sentence and string together the main meaning of each sentence, which is the main meaning of this paragraph.
2. Self-study in since the enlightenment, the teacher patrol guidance.
3. Group discussion (requirements: group members discuss sentence by sentence together, have different understandings and give reasons).
If you have different opinions, you can stand up and express your understanding.
Sixth, read the full text
Second lesson
First of all, introduce.
Last class, the students raised the question of how dinosaurs could fly, and found that the fourth paragraph was the answer to this question. Next, let's read the fourth paragraph carefully.
Second, read the fourth paragraph to understand the evolution of dinosaurs into birds.
(1) Read P 15 1 Question 2: What was the evolution of dinosaurs flying into the blue sky? Let's imagine it according to the text first, and then say it in our own words. How to understand the requirements of the topic? (Imagine, in your own words) You must read carefully, find out how many sentences you have and understand the meaning of each sentence before you can say it in your own words.
(2) Clarify a few words * * *
(1) Read it first and mark it with serial number.
(2) said that the teacher dial the wrong. (This is naturally a long sentence. For example, "huge families: the sentence after the colon specifically points out which huge families there are." It's all the same thing. A ***8 sentences. )
(3) Reading and understanding
1. Read the imagination silently, and the teacher will patrol and guide. (Give a certain reading time)
2. The teacher reads aloud and all the students imagine acting. (Show this paragraph for understanding)
3. Say it in an orderly way in your own words first, and the teacher will patrol and guide.
4. Group discussion (requirements: discuss sentence by sentence, each with its own meaning. Everyone says that different reasons can be given according to the content of the article. Achieve * * * knowledge. ) teacher patrol guidance.
5. If there are different opinions, teachers and classmates will talk again. (cardboard collection)
230 million years ago, the first dinosaur was as big as a dog. It supports its body with two hind legs. Tens of millions of years later, its descendants have multiplied into huge families with different shapes: some run on two feet and some walk on four feet; Some are big, some are small; Some are fierce, others are docile. Some carnivorous dinosaurs gradually became smaller and looked more and more like birds. Their bones are hollow, their skulls are enlarged, their bodies are light, their movements are agile, their forelimbs are getting longer and longer, they can flap like the wings of birds, and they grow feathers without scales and nails. Some people jump and land in trees to avoid enemies or find food, and then they can fly. Kong Long runs and learns to fly on the ground. So a dinosaur evolved into a bird and flew into the blue sky.
6. Read the text again to deepen your understanding.
A. introduction;
B, read together.
Third, sentiment
How do you feel after learning this article?
With dinosaur fossils, scientists can infer that dinosaurs evolved into birds. How do you feel about this? (discussion, summary)
The development of science and technology. Learn more about science and culture and study things.
Fourth, understand the sentences accurately expressed in the text (P 15 13)
1. Read it and whisper;
2. Group discussion (give your reasons)
There are many kinds of dinosaurs, and the evolution of many birds is one of them, so it is more accurate to use "one". Evolution takes a very long time, so it is very accurate to use "temperature evolution".
Students should learn to use words accurately when speaking and writing in the future.
Find such sentences in this article, read, think and say.
Verb (abbreviation of verb) expansion
Exchange the collected pictures, models and materials of various dinosaurs.
Sixth, go home and collect the process of animals and plants or apes evolving into adults, and communicate in the next class.
The third category
I. Exchange of information collected
Second, learn to write the case of Tian Zi.
1. Observe Tian Zige's handwriting by yourself: 1), and pay attention to it when writing; 2) How to arrange the shelf structure?
2. Discuss the above two issues.
3. Excerpts and supplements
Extended words
writing
Third, select the Excellence Award.