Bài giảng Tiếng Anh 8 - Unit 11: Science and technology - Lesson 1: Getting started

Nội dung text: Bài giảng Tiếng Anh 8 - Unit 11: Science and technology - Lesson 1: Getting started

1. Dr Nelson Dương Nick Chau
2. Vocabulary: - role /rəʊl/ (n) : vai trò - field /fiːld / (n) : lĩnh vực - enormous /ɪˈnɔːməs/ (v) : to lớn - effect /ɪˈfekt/ (n) : tác động - benefit /ˈbenɪfɪt/ (n) : lợi ích
3. Checking vocabulary: - role /rəʊl/ (n) : vai trò - field /fiːld / (n) : lĩnh vực - enormous /ɪˈnɔːməs/ (v) : to lớn - effect /ɪˈfekt/ (n) : tác động - benefit /ˈbenɪfɪt/ (n) : lợi ích
4. 1. Listen and read Dr.N = Dr Nelson N = Nick D = Duong C = Chau Duong, Nick, and Chau are talking with Dr. Nelson after listening to his talk about the roles of science and technology in the 21st century. Dr.N: Well, as you know, developments in science and technology are greatly changing the way we live, communicate, travel, everything D: You mean science and technology are changing our lives in every field? Dr.N: Right. D: For the better? Dr.N: Mostly for the better. Science and technology also have enormous effects on economic development.
5. N: Well, my dad told me that only robots would work in factories and clean our homes in the future. Is it right, Dr. Nelson? Dr.N: Sure. And we’ll have flying cars and spaceships so that we can travel faster and further than before. C: So we won’t have traffic jams any more? Dr.N: No, we won’t. Science and technology are the keys to development in other fields too. They will certainly bring a lot more benefits to people. C: And what about education? Our science teacher said that there would be no more schools: we’d just stay at home and learn on the Internet. Dr.N: That’s right. Students won’t go to school like now D: Wow! I hope that happens soon.
6. a. Find the words in A in the conversation. Then match them to the words in B with similar meanings. 1. developments a. the answers 2. field b. area 3. enormous c. progress (n) 4. economic d. big 5. the keys e. money-making 6. benefits f. help
7. b. Answer the questions Click 1. Where are Nick, Duong, and Chau? They are at the Science Club. 2. What is the subject of Dr. Nelson’s talk? It is the roles of science and technology in the 21st century. 3. What fields are science and technology greatly changing? Science and technology are greatly changing everything. 4. What did Nick’s dad tell him? He told Nick that only robots would work in factories and clean our homes in the future. 5. What did Chau’s science teacher say? He/ She said that there would be no more schools: they’d just stay at home and learn on the Internet.
8. c. Work with a partner. What fields are mentioned in the conversation which are affected by science and technology? 1. the economy (economic development) 2. the workplace (robots in factories) 3. the home (robots cleaning our homes) 4. travel (traffic jams) 5. education (school via Internet)
9. d. Put a word/ phrase from the box in each blank. flying cars economic development space field the key 1. Technology in the ___ of telecommunications has developed greatly over the last decade. 2. In the future, ordinary people may travel into ___ on spaceships. 3. He said he worked very hard and that was ___ to his success. 4. An international meeting on ___ took place in Singapore last week. 5. If we had ___ now, we could solve the problem of traffic jams.
10. 3. Put one of the words/ phrases from the box in each gap. There is one extra. science subjects technology technique machines scientific progress researchers 1. Her teacher said she was really good at ___, but she was not very good at English. 2. Advances in ___ have improved crop yields by over 30%. 3. Cancer ___ have made great progress, but many aspects of this disease need further study. 4. Scientists will be trying to invent ___ to teach children at home. 5. Thanks to ___, our world will be transformed greatly.
11. * GRAMMAR: Prefix un-; im A prefix is a group of letters (affixes) added in front of a word or a root of the word to change its meaning. A negative prefix is a prefix which carries a negative meaning 'not' , 'opposite of'. Common negative prefixes in English are un-, im-, in-, il-, and ir-, and di-. Some of these prefixes are only attached to a noun or an adjective while some are only attached to a verb. It is not possible to predict whether the negative prefix un-, in-, or dis- is used with a particular word. The correct form must be learned.
12. 1. The negative prefix un- a) This prefix is normally attached to an adjective or a noun to form an adjective or a noun, conveys a sense of being negative; not. WordsWords MeaningMeaning For which official permission has UnauthorizedUnkind (Adj.) (Adj.) Not friendly not been given Unlucky (Adj.) Not lucky Unbelievable (Adj.) Too difficult to believe Unpopular (Adj.) Not popular Uncountable (Adj.) Too many to be counted UndamagedUnrelated (Adj.) (Adj.) NotNot damaged related or or not not connected spoiled UndesirableUnreliable (Adj.) (Adj.) NotNot wanted reliable UnemploymentUnsatisfied (Adj.) (N.) NoNot work, satisfied job Unforgetable (Adj.) That will stay forever in memory
13. 1. The negative prefix un- b) It is important to distinguish the negative prefix un- 'not' from the prefix un- 'do the reverse of' which is normally attached to a verb. The resulting word remains a verb, which conveys a sense of being opposite; denotes reversal. Words Meaning Undo (v) To cancel the effect of something Undress (v) To remove one's clothes Unroll (v) To open something that is rolled up To remove somebody or something that is Untie (v) tied Unwrap (v) To undo the covering that wraps something
14. 2. The negative prefix im- - This prefix is normally attached to an adjective. The resulting word remains an adjective. - Normally this prefix goes before an adjective beginning with b, p, m. (im + b / p / m) Preffixes Words Meaning im + b imbalanced (n) Not balance im + p impossible (a) Not possible im + m immeasurable (a) Not able to be measured
15. 3. Give the opposite of the words in brackets, using the prefix un- or im-. Example: necessary → unnecessary 1. This is a species of insect previously (known) ___unknown to biologists. 2. I don’t like science fiction novels much. I think they are (realistic) ___unrealistic . 3. It is almost (possible) ___impossible to keep up with the latest developments in computing. 4. The teacher said that accurate measurement was (important) ___unimportant in this experiment. 5. Fortunately, the river flowing through our town is (polluted) ___unpolluted .
16. 4. GAME: FIND SOMEONE WHO Ask your classmates Yes/ No questions, using do or will. If they say ‘Yes’ to a question, write their names in the box. A name can be written down only once. The first person to get a name in each box is the winner.
17. - Learn the new words by heart. - Practice the dialogue again. - Do exercises B1,2, 3 in workbook (page 36, 37). - Prepare for Unit 11: A closer look 1.