Presentation is loading. Please wait.

Presentation is loading. Please wait.

Unit 5 The Power of Nature.

Similar presentations


Presentation on theme: "Unit 5 The Power of Nature."— Presentation transcript:

1 Unit 5 The Power of Nature

2 earthquake tsunami snowstorm flood

3 sandstorm typhoon hurricane drought

4 cyclone tornado landslide

5 volcano

6 What do you know about volcano?
Do you know how a volcano erupts?

7 active volcano dormant volcano extinct volcano

8 volcano-eruption Ash cloud Crater Lava
Boiling rock erupts from the crater; the lava flows slowly down the mountain. Magma chamber 8

9 More about the volcano 1. How is a volcano formed?
The rocks under the earth become hotter and hotter and erupt from the mountain. 9

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

11 liquid solid 3.What will be produced after the eruption of volcano?
lava water vapour, carbon dioxide, nitrogen(氮), sulphur(硫磺), etc. bits of rock and volcanic ash, etc. gas liquid solid

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

13 Quiz Are 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?

14 Do you want to be a volcanologist?

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

16 Skimming What does a volcanologist do? Is the work important? His job is to collect the information about the volcano and predict where lava will flow and how fast so that the people in the path of the lava can be warned to leave their house.

17 Get the main idea of each paragraph
The writer expresses his love for his job and why he loves it. The writer describes his job and its importance. The writer describes his first sight of a volcano eruption. The writer describes his first closer look at a volcano eruption. The writer states again his love for his work and volcanoes.

18 The main idea of the passage
Part 1 Part 2 Part 3 What the writer’s job is and the importance of his job. (Paras. 1-2) The writer’s experience of watching the volcano eruption. (Paras. 3-4) The reasons why the writer is enthusiastic about his job. (Para 5)

19 Careful reading Part one (Para. 1- Para. 2)
Why is a volcanologist’s job important? 2) Where is Mount Kilauea? 3)What does the word “alive” mean ? A. Living or not dead. B. Active or lively. C. Continuing. D. Healthy. It can warn people when the volcano is going to erupt and save many lives. In Hawaii.

20 What made the author realize that an eruption occurred?
Part two (Para. 3- Para. 4) The lava can cover up or burn villages in its path. The rocks from the volcano usually don’t damage anything because no one lives near the crater. Why is the lava that flows on Mount Kilauea more dangerous than the actual eruption? What made the author realize that an eruption occurred? Why did the scientists have to get close to the volcano after it began erupting? 4. Why was it difficult for the writer to walk towards the edge of the crater ?

21 2.What made the author realize that an eruption occurred?
My bed began shaking My bed room became as bright as day A strange sound Red hot lava was fountaining hundreds of metres into the air An absolutely fantastic sight

22 3.What did the scientists do after the eruption?
Put on white protective suits helmets, big boots Slowly made our way to the edge of the crater Looked down into the red, boiling centre Climbed down into the crater to collect some lava

23 To get some lava for later study.
Part two (Para. 3- Para. 4) 3. Why did the scientists have to get close to the volcano after it began erupting? To get some lava for later study.

24 Part two (Para. 3- Para. 4) 4. Why was it difficult for the writer to walk towards the edge of the crater ? The writer wore special protective suits that made it difficult to walk.

25 Part three (Para. 5) What does the writer find impressive even after studying volcanoes for more than twenty years? The author is impressed by the beauty of the eruption and also by its potential to cause great damage.

26 Choose the best answer:
1 The writer doesn’t mind the occasional danger of his job because ______. A He travels to unusual places and meets interesting people from all over the world. B He likes the different ways of working. C He thinks his job the most important. D He is excited about dangers and feels alive. D

27 A As a result of the volcanologist’s work, ____.
A other scientists predict the progress of lava from the volcano. B many people have been warned to leave their homes. C the eruption causes less damage. D the eruption may be prevented breaking out. A

28 B Why did the vocalnologist run out of the house into back garden ?
A Because his bed began shaking. B Because his bedroom suddenly became as bright as day. C Because he thought there was an earthquake in Hawaii. D Because he wanted to collect information about eruption. B

29 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 felt 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. D

30

31 Discussion Creative group discussion:
1) Having learnt a little more about the work of a volcanologist, do you think it is an occupation you would enjoy? Discuss your reasons with others in your class. 2) If you could meet the writer of the passage, what kind of questions would you ask? Discuss with others in your class.

32 Homework 1. Writing: 80 words (choose one of them) 1) Tell your feeling of the power of nature 2) tell whether you will enjoy working as a volcanologist 2.Try to find out the language points in the text.


Download ppt "Unit 5 The Power of Nature."

Similar presentations


Ads by Google