Bài giảng Tiếng anh Lớp 8 - Unit 11, Lesson 1: Getting Started - Lê Viết Phú

Teacher : VIET PHUGETTING STARTEDAT THE SCIENCE CLUBWhere are they?What are they talking about?Dr NelsonDươngNickChauVocabulary:- role /rəʊl/ (n)- field /fiːld / (n)- enormous /ɪˈnɔːməs/ (v)- effect /ɪˈfekt/ (n)- benefit /ˈbenɪfɪt/ (n): vai trò: lĩnh vực: to lớn: tác động: lợi íchChecking vocabulary:- role /rəʊl/ (n)- field /fiːld / (n)- enormous /ɪˈnɔːməs/ (v)- effect /ɪˈfekt/ (n)- benefit /ˈbenɪfɪt/ (n): vai trò: lĩnh vực: to lớn: tác động: lợi íchDuong, Nick, and Chau are talking with Dr. Nelson after listening to his talk about the roles of science and technology in the 21st century.1. Listen and readN = NickDr.N = Dr NelsonC = ChauD = DuongDr.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.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.a.	Find the words in A in the conversation. Then match them to the words in B with similar meanings.1. developments2. field3. enormous4. economic5. the keys6. benefitsa. the answersb. areac. progress (n)d. bige. money-makingf. helpb. Answer the questionsWhere 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.Clickc. 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)d. Put a word/ phrase from the box in each blank. 	 	the keyfieldeconomic developmentspaceflying cars1.	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. 3. Put one of the words/ phrases from the box in each gap. There is one extra.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. 	 	 researcherstechniquescientific progresstechnologymachinesscience subjects* GRAMMAR: Prefix un-; imA 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.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.1. The negative prefix un-WordsMeaningUnauthorized (Adj.)For which official permission has not been givenUnbelievable (Adj.)Too difficult to believeUncountable (Adj.)Too many to be countedUndamaged (Adj.)Not damaged or not spoiledUndesirable (Adj.)Not wantedUnemployment (N.)No work, jobUnforgetable (Adj.)That will stay forever in memoryWordsMeaningUnkind (Adj.)Not friendlyUnlucky (Adj.)Not luckyUnpopular (Adj.)Not popularUnrelated (Adj.)Not related or not connectedUnreliable (Adj.)Not reliableUnsatisfied (Adj.)Not satisfied1. 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.WordsMeaningUndo (v)To cancel the effect of somethingUndress (v)To remove one's clothesUnroll (v)To open something that is rolled upUntie (v)To remove somebody or something that is tiedUnwrap (v)To undo the covering that wraps something2. 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)PreffixesWordsMeaningim + bimbalanced (n)Not balanceim + pimpossible (a)Not possibleim + mimmeasurable (a)Not able to be measured3. 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) __________ to biologists.2. I don’t like science fiction novels much. I think they are (realistic) __________.3. It is almost (possible) ___________ to keep up with the latest developments in computing.4. The teacher said that accurate measurement was (important) ___________ in this experiment.5. Fortunately, the river flowing through our town is (polluted) ___________.unknownunrealisticimpossibleunimportantunpolluted4. 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.+ HOMEWORK - 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.Goodbye!See you again!THANKS FOR YOUR ATTENTION!THANK YOU FOR ATTENTION!the endGOOD BYE!