Unit 5 The power of natrure ---Warming-up and pre-reading

Do you know any natural disasters ? Please work with your partners and make a list of natural disasters . Look at the following pictures and point out what kind of disasters they are.

earthquake

tsunami

tornado

drought

flood

typhoon/hurricane

landslide

mudflow

sandstorm

snowstorm

volcano

地震 海啸 龙卷风 干旱 水灾 台风/飓风 山体滑坡 泥石流 沙尘暴 暴风雪 火山 雷电 雪崩 earthquake tsunami tornado drought flood typhoon/hurricane landslide mudflow sandstorm snowstorm Volcano Thunderstorm snowslide

What do you know about volcano?

Have you ever seen a volcano?

1. How is a volcano formed? The rocks under the earth become hotter and hotter and erupt from the mountain. 17

Boiling rock erupts from the crater; the lava flows slowly down the mountain.

gas solid liquid vapor, carbon dioxide, nitrogen (氮), sulphur (硫磺) bits of rock and volcanic ash, etc. liquid lava (熔岩)

2. Where is most possible for a volcano to erupt? Near the oceans.

3. What types of volcanoes do you know? An extinct volcano 死火山 An active volcano 活火山 A dormant volcano 休眠火山

4. Who will climb into a live volcano to take the temperature of the boiling rock inside? volcanologists

5. What kind of things might a volcanologist do? Collect and evaluate information about volcanoes.

Working as a volcanologist What might be talked about? An Exciting Job Working as a volcanologist

Skimming the text and try to find out main ideas of each part. The writer’s experience of watching the volcanic eruption Part 1(Para 1-2) Part 2(Para 3-4) Part 3(Para 5) The writer’s job and its importance The reasons for the writer’s enthusiasm about his job.

Careful reading Part one (Para. 1- 2) 1. Where is Mount Kilauea? 2. The writer was appointed as a volcanologist working for_____________________________ In Hawaii. the Hawaii Volcano Observatory

Part two (Para. 3- 4) 3. Why is the lava that flows on Mount Kilauea less damage than you might imagine? 4. What did the scientists do after the eruption? No one lives near the crater(the top of Mount Kilauea). Dropped as closed as possible to the crater

What is the writer? Choose the best answer A He is a doctor B He is a teacher C He is a scientist D He is a volcanologist

2. What’s the job of the writer? A Collecting information for database about Mount Kilauea B Analyze the information C Help the villagers to move their home D Traveling around the world

3. When did he first see an eruption? A It was in the second week after I arrived in Hawaii B It was in the second day after I arrived in Hawaii C It was in the third night after I arrived in Hawaii D It was in the first night after I arrived in Hawaii

4. What does the writer mean by using “lucky” in the sentence “ I was lucky enough to have a much closer look at it. ” ? A. He left much safer on the top while the other two scientists climbed down into the crater. B. It was his first sight of an eruption. C. It was the first time for him to watch the crater. D. both B and C.

5. What does the word “alive” mean in the sentence “ 5. What does the word “alive” mean in the sentence “... danger excites me and makes me feel alive”? Living or not dead. B. Active or lively. C. Continuing. D. Healthy.