七年级英语下册Leon 25教案_七年级下册英语教案

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Leon 25: Let’s Do an Experiment

Teaching Content:

Mastery words and expreions: science, experiment, fill, prove

Oral words and expreions: theory, jar, upside, observe, right, side up, upside down

Teaching Aims:

1.Use the Simple Present Tense.2.Expre certainty and uncertainty

Teaching Important Points:

1.Learn to expre sequence;

2.How to expre an experiment.Teaching Difficult Points:

Expre certainty and uncertainty

Teaching Preparation: jar, cardboard, water

Teaching Aids: audiotape, flashcards, jar, cardboard, water

Type of leon: new leon

Teaching Procedure:

Step1.Teacher brings the jar, cardboard and water to the cla.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 discu 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 gue 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 expreions to the cla.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 cla into two groups.One group thinks the floor will get wet.The others think it won’t.Let them discu in cla.Pay attention to telling the reasons.Step7.Homework

1.Review the next leon.2.Finish off the activity book.