Unit 11 Science and Technology Lesson 2 A Closer Look 1

- Write the following on the board: to learn --> to invent --> science --> - Try to elicit from Ss how these words are changed to mean a person who does these things.. - Now see if Ss ca[r]

Unit 11 : Science and technology Period 91 : Lesson : a close look I) Objectives : By the end of the lesson, Ss will be able to get acquainted with the topic about science and technology  Language content : Vocabulary : words about science and technology Pronunciation : - Stress in words starting with un- and imII) Teaching aids : Text books, cassette, chalk, pictures and some boards III) Procedure : Steps & Learning Activities Language Models Time focus A-Warm - Explain to Ss that there are three common ways of class work up ( 5’) forming nouns indicating people, but don’t say what they are - Write the following on the board: to learn > to invent > science > - Try to elicit from Ss how these words are changed to mean a person who does these things - Now see if Ss can give some more examples - Finally, have Ss open their books and read the Look out! Box Complete the following sentences with nouns Bindicating people Vocabula - Do this activity the first time around as a quiz v+ -er/ -or/ class work ry - Divide the class into two teams -ist = N ( 15’ ) - Read out item one and ask Team A to answer - If they get it wrong, the option goes to Team B to answer - Keep a score on the board to increase the fun element - Now have Ss work individually to the task in their books - Finally, ask some Ss to write the answers on the board - Correct their answers as a class Key: adviser chemis design progra biologi / t er mmer st advisor Write a noun from the list under each picture - Ss work in pairs and discuss what the word is for each vocabulary picture - T checks as a class - For more able Ss, have pairs write the descriptions of these people in the same style as activity - Then put pairs together to read out their descriptions and challenge each other to guess the person, like the quiz in individually Key: chemist software engineer physicist developer doctor conservat explorer archeolog ionist ist 3) Give the correct form of the words in brackets - T ask Ss to read the sentences and guess part of speech of the word to be filled each blank - Have Ss call out their guesses - Ss work individually - Ask some Ss to write their answers on the board - Check their answers as a class individually Key: develo scientis explora medica econo pments ts tion l mic individually Stress in words starting with un- and im- Explain to Ss that the prefixes un- and im- are used to make adjectives (and adverbs) negative - Explain to them that when these prefixes are added, the stress of the new word does not normally change - Give some examples Listen and repeat the following words Mark the stressed syllables in the words - Play the recording for Ss to repeat the words - Play the recording as many times as necessary - Correct Ss’ pronunciation, especially the stress - Then have Ss mark the stress on the words by drawing circle above the stressed syllable C Pronunci Audio script: unforesee unlucky immature unwise ation n ( 20’) impatient unhealthy impure unhurt impossibl unlimited unnatural impolite individually e Put the words from in the right columns - Have Ss read out the words first - Then they work in groups to put the words in the right columns - Call on some Ss to write the answers on the board - Confirm the correct answers Key: oO un’wise oOo un’lucky ooO oOoo unfore’se un’limite en d im’pure un’health imma’tur im’possib y e le un’hurt im’patien impo’lite un’natura t l Fill the gaps with one of the words in Listen and check, then read the sentences - Have Ss work individually to write down the words - Play the recording two or three times for Ss to check group work Key: impure unhealt imposs unlimit impatie hy ible ed nt - learn and practise writing the vocabulary - Practise listening and repeating the words starting with un- and im- DHomewo rk ( 5’) individually *Feedback: …………………………………………………………………………………………………… ……………………………………………………………………………