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1、九年级英语上册Unit5LookintoScienceLesson26KeeptheCandleBurning教案新版冀教版1. Analysis of the Students The students of Grade 9 have mastered certain vocabularies，expressions and structures. They also have the abilities of self-teaching and working in groups. Most of them are willing to express their opinions in
2、English.2. Analysis of Teaching ContentLesson 26 is the second lesson in Unit 5, Book 5.This unit focus on the subject Look into science, also teach the students something about science. Students cares about the subject because it is close to everyone. Lesson 26 mainly talks about learn to do anothe
3、r experiment. 教学目标【知识目标】1. To master the words: match, light, burn, use up, candle holder, shallow, oxygen, one-fifth.2. To master the expressions: do an experiment, fillwith, coverwith, turnupside down, be (not) sure【能力目标】Improve the students ability of speaking, listening, reading and writing. Do
4、and express the experiment.【情感目标】Students can enjoy the pleasure of literature.【教学重点】The usage of prefer.【教学难点】Write a position to describe an interesting experiment. 课前准备 Tape recorder, Multimedia 教学过程Step 1. Warm-upFree talk: Think about it!1. Do you think science is interesting? Why or why not?2.
5、 Name one or two famous Chinese scientists. What do you know about them?Step 2. Presentation1. Do an experiment.2. Show the picture and tell students the experiment: Keep the Candle Burning.3. Introduce something we need in the experiment, meanwhile learn the new words.4. Guess: What do we do the ex
6、periment?5. Read the text and fill in the blanks on page 69. Lets do the experiment together! Put the candle in the candle holder. Put the candle holder on the dish. Fill the dish half full with water. Light the candle with a_ or a lighter. What can you see? The candle is burning. _the candle burn f
7、or two or three minutes. Then carefully put the jar over it until the top of the jar rests on the dish. As the candle burns, it_ the oxygen in the air. When the candle stops_, it has used up all the oxygen in the air. The water inside the jar_ and fills about_ of the jar. This is because about one f
8、ifth of the air is made up of oxygen. 6. Check the answers.7. Guess: What is happening? Listen to the tape and answer the question.8. Listen and follow to the tape.9. Explain the expression of fractions:(1) 分数由分子和分母两部分构成。用英语表达时，分子用基数词，分母用序数词。(2) 如果分子为1，则分母的序数词是单数形式，如果分子大于1，则分母的序数词用复数形式。 one (a) half
9、 或 one second (one-second) = one (a)quarter 或 one-quarterStep 3. Practice1. Practice the text in groups.2. Finish the exercise on page 69.3. Retell the experiment.Step 4. Consolidation1. Group work: (Teacher asks students prepare something they need in experiments in groups.)Do the experiment in gro
10、ups. Read about the experiment in this lesson. With a group of classmates, practice the experiment. Do your experiment in front of the class. Dont forget the following things:(1) First, describe your experiment.(2) Second, ask the class what they think will happen.(3) Third, do the experiment.(4) Finally, ask the class if the result is what they expected.2. Show the experiments.3. Get a result.4. Write down the progress in the experiment.Step5 Homework1. Listen and read.2. Finish exercises of this lesson.略。
九年级英语上册Unit5LookintoScienceLesson26KeeptheCandleBurning教案新版冀教版
