七年级英语Let’s Do an Experiment教案

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Lesson 25: Let’s Do an Experiment
Teaching Content:
Mastery words and expressions: science, experiment, fill, prove
Oral words and expressions: theory, jar, upside, observe, right, side up, upside down
Teaching Aims:
1. Use the Simple Present Tense.
2. Express certainty and uncertainty
Teaching Important Points:
1. Learn to express sequence;
2. How to express an experiment.
Teaching Difficult Points:
Express certainty and uncertainty
Teaching Preparation: jar, cardboard, water
Teaching Aids: audiotape, flashcards, jar, cardboard, water
Type of lesson: new lesson
Teaching Procedure:
Step1. Teacher brings the jar, cardboard and water to the class. Show them to the students and ask what experiments we can do with them. Let the students show them and explain the reasons to the students.
Let the students work in groups and discuss the experiments. When one group is doing the experiments, the others can ask the questions. The teacher can ask questions, too.
Step2. Now let the students open their books and guess what the experiment is. Ask the students to say it in English.
Step3. Read the text silently and answers the following questions.
1. What’s a theory?
2. What’s an experiment for?
3. Did Danny read about the experiment? What is it about?
4. Do you think the cardboard can hold the water in the jar? Why?
Step4. Read the text carefully and check the answers. Explain some words and expressions to the class.
Step5. Listen to the tape and repeat after it line by line. Can the students’ listening good enough to hear clearly?
Step6. Come to “Let’s Do It.”
Divide the class into two groups. One group thinks the floor will get wet. The others think it won’t. Let them discuss in class. Pay attention to telling the reasons.
Step7. Homework
1. Review the next lesson.
2. Finish off the activity book.

Summary:
The experiment is the main part of the text. If we have time, do it in the class. Then ask them to describe what they see. Give a report to the class. If the time in class isn’t enough, let the students do the experiment after class. Then report the result to the class. The teacher can do the experiment for the students, too.

Lesson 26: One Wet Danny?
Teaching Content:
Mastery words and expressions: force
Oral words and expressions: swimsuit, observation, turn…over
Teaching Aims:
1. Use the Simple Future Tense to describe the thing that will happen.
2. Grasp the knowledge by doing the experiment. Enjoy the experiment and finish it by students themselves.
Teaching Important Points:
1. Grasp the Simple Future Tense.
2. Talk about the experiment process.
Teaching Difficult Points:
Some words and expressions, such as: talk about, talk to, tell sb., ask sb. to do sth.
Teaching Preparation: jar, cardboard, water, pictures
Teaching Aids: audiotape, flashcards, pictures, jar, cardboard, water
Teaching Procedure:
Step1. Review Lesson 25.
Let some students talk about the main idea of Lesson 25.
The teacher and the students can ask:
1. What do we use in the experiment?
2. How do you turn the jar full of water upside down?
3. What do you cover on the jar?
4. What’s your theory?
Step2. Do a survey:
1. How many students have done the experiment?
2. What’s the result?
3. How many students think Danny is going to get wet?
Report it to the class.
Step3. Listen to the tape and let some students ask the following questions:
1. What are they talking about?
2. Who will do the experiment?
3. What will happen to the water in the experiment?
4. What will keep the water in the jar?
5. What will they do after the experiment?
Step4. Read the text silently and check the answers. Read it in roles in class in individuals or in groups.
Step5. Let some students act the dialogue out in front of the class.
Step6. Come to “LET’S DO IT.”
Do the experiment in groups. Let the students observe the experiment carefully. Then give a report to the class about what it is like. Do anyone get wet in the experiment? Why?
Step7. Homework
1. Finish off the activity book.
2. Go on the next reading in the student book.
Summary:
This passage is about the two opinions to the experiment. Why do you think so is the main explanations. Let the students have a brainstorm. The teacher walks around and helps them if it necessary

Lesson 27: Danny the “Dry-o-saur”!
Teaching Content:
Mastery words and expressions: surprised, examine, discover, explain, enough, liquid, solid, spoon, add, mix, pour
Oral words and expressions: weird, mud, cornstarch, spoonful, dissolve, press

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www.350xue.com Teaching Aims:
1. Ask the students to observe and report it to the class.
2. Increase students’ interest in English.
Teaching Important Points:
1. Describe an experiment in English.
2. Improve the students’ spoken English.
Teaching Difficult Points:
Some words and expressions that used in the experiment.
Teaching Preparation: a bowl, a spoon, cornstarch, water
Teaching Aids: audiotape, flashcards, a bowl, a spoon, cornstarch, water
Type of lesson: new lesson
Teaching Procedure:
Step1. Ask the students what we can do with the things that we brought to the class. If they can do something interesting, let them demonstrate them in class. Then ask them to explain the reasons.
Step2. Listen to the tape and answer the following questions:
1. Why is Danny wearing his swimsuit?
2. Is Danny wet when Brain takes his hand off?
3. Why is Danny still dry after the experiment?
Step3. Now read the text silently and check the answers. Then read it loudly in class.
Step4. Read the text loudly in roles in class. Let some students act it out in front of the class.
Step5. Ask the students to describe the dialogue in English. Encourage them to use English as much as possible.
Step6. Have the class rewrite the text in the past tense. Divide the class into twelve groups. Assign one paragraph to each group. Each group should discuss and representative from each group read aloud what has been praise rewritten. Comment on their work and remember to give praise for good efforts!
Step7. Homework
1. Finish off the activity book.
2. Go on the next reading in the student book.

Summary:
The experiment is interesting, but how to describe it in English is difficult. Remember to cultivate the students’ spoken English in class. Give them more chance to practice. when the students are doing experiments, they must explain clearly step by step.

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七年级英语Let’s Do an Experiment教案