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2019-2020年高中英语 Unit5The power of nature教案（4） 新人教版选修6Teaching Aims1. Enable the students to grasp and remember the detailed information of the reading material.2. Let students understand the general idea of the passage.Teaching Important & Difficult PointsHow to help the students to grasp and remember the detailed information of the reading material.Teaching aids: a tape recorder, a projector, slides and picturesTeaching method:Grop or pair disscussion, individual task.Teaching ProcedureStep1 Pre-reading1.Can you imagine climbing into an active volcano to take the temperature of the boiling rock inside?2. To be a volcanologist, what qualities are needed?Step 2 QuizAre you suitable for being a volcanologist?Questions Yes No 1 Do you like working outside as well as inside?2 Do you enjoy travelling to unusual places?3 Do you enjoy taking risks?4 Do you dislike doing the same thing every day?5 Do you like adventure in your life?6 Are you interested in studying rocks and other things that make up the surface of the earth?What kind of work do you think a volcanologist do?Step 3 Skimming Skim the text and answer the following questions.1.What is the writer?He is a volcanologist working for the Hawaiian Volcano Observatory. He mainly collects information about Mount Kilauea.2When did he first see an eruption? How did it look like?It was in the second week after he arrived in Hawaii. It was very bright although it was night. Red lava fountained hundreds of meters into the air and it was a fantastic sight.3. What was he wearing when getting close to the crater? And what was the result?He was wearing white protective suits that covered his whole body, helmets, big boots and special gloves, just like a spaceman. As a result, it made him difficult to walk.Step 4 Scanning Scan the text and answer the following questions.1. Why is a volcanologists job important?Volcanologists study volcanoes so that they can warn people when the volcano is going to erupt and so save many lives.2. Why is the lava that flows on Mount Kilauea more dangerous than the actual eruption?The lava flows down the mountain and can cover up or burn villages in its path. The rocks that erupt from the volcano usually dont damage anything because no one lives near the crater.3. Why did the scientists have to get close to the volcano after it began erupting?The scientists needed to get samples of the lava so they could study them.4. What does the writer find impressive about volcanoes even after studying them for 20 years?The author is impressed by the beauty of the eruption and also by its potential to cause great destruction.Step 5 Detailed readingRead the text more carefully and answer the following questions.1. What made the author realize that an eruption occurred?my bed began shakinga strange soundMy bedroom became as bright as dayan absolutely fantastic sightred hot lava was fountaining hundreds of meters into the air 2. What did the scientists do after the eruption?put on white protective suits, helmets, big bootsdropped as closed as possible to the craterslowly make our way to the edge of the craterlooked down into the red boiling centerStep 6 Homework1Find out words, expressions and sentences which you think are useful, important or difficult to understand.2Finish exercises in Learning about Language. (Ex. 1, 2)
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