Unit 5 4 speaking

UNIT 5: INVENTIONS Lesson 4: Speaking Class: Informatics 10 – History 10 I Objectives: By the end of the lesson, students will be able to: - use some words relating to inventions in sentences - describe briefly the characteristics, uses and benefits of an invention II Materials: - Textbook, printed worksheets III Anticipated problems: Ss may not have sufficient vocabulary to speak so the teacher should provide them with necessary words before they start to practice speaking IV Procedures: Steps Pre- Teacher’s activities - T writes 10 inventions on the speaking board and asks ss to work in (8’) Students’ activities - Ss work in groups to Interactions Group work reorder the inventions groups of two tables to reorder the - Ss write their answers inventions in chronological order on the board After 4-5 minute discussion, one - Ss check the answers member in each group write the answers on the board T gives remarks IMPORTANT INVENTIONS the Internet (most recent), light bulb, telephone, refrigerator, braille, thermometer, microscope, printing, paper, wheel Answers: The Internet 1969 light bulb 1906 telephone 1876 refrigerator 1850 braille 1829 thermometer 1593 microscope 1590 printing 1440 paper 100 While- wheel around 3,500 BC Activity 1: Practice the speaking conversation with a partner (30’) - T reads the conversation in the - Ss practice reading textbook once T asks ss whether the conversation Pair work they find any new words T asks ss to take roles practicing reading the conversation in pairs Activity 2: Complete the table - T asks ss to work in pairs, read - Ss read the the conversation again then conversation again and Pair work complete the table in task T asks complete Task student to write the answers on the board T gives remarks Key answers: a 3-D printer c make things like a cup, a spoon or even a toy car d make own things at home and save lots of money Activity 3: Discuss inventions with parters Pair work - T asks ss to complete the table in - Ss work in pairs and the task using given words in the fill in the table box T helps ss fill in the table Suggested answers: - Charger: easy to use, easy to carry, not costly - USB: easy to transport files, environmental-friendly, not dependent on electricity Pair work Activity 4: Practice speaking - T asks ss to work in pairs, - Ss work in pairs, practice speaking using the sample conversation in task Activity 5: Prepare a talk Post- - T asks ss to work in groups of - Ss work in groups, six Each student selects one of prepare a talk and their favorite inventions, prepare a share with the others Group work speaking talk (about minute) then share (7’) with other members of the group Useful expressions: - I would like to talk about … - You can use it to …