Unit 5 4 speaking

Procedures: Steps Teacher’s activities Students’ activities Interactions Pre-speaking 8’ - T writes 10 inventions on the board and asks ss to work in groups of two tables to reorder the

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 Teacher’s activities Students’ activities Interactions

Pre-speaking

(8’)

- T writes 10 inventions on the

board and asks ss to work in

groups of two tables to reorder the

inventions in chronological order

After 4-5 minute discussion, one

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

- Ss work in groups to reorder the inventions

- Ss write their answers

on the board

- Ss check the answers

Group work

The Internet 1969

light bulb 1906

telephone 1876

refrigerator 1850

braille 1829

thermometer 1593

microscope 1590

printing 1440

paper 100

wheel around 3,500 BC

While-speaking

(30’)

Activity 1: Practice the

conversation with a partner.

- T reads the conversation in the

textbook once T asks ss whether

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

the conversation again then

complete the table in task 2 T asks

1 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

- Ss practice reading the conversation

- Ss read the conversation again and complete Task 2

Pair work

Pair work

with parters.

- T asks ss to complete the table in

the task 3 using given words in the

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.

Activity 4: Practice speaking

- T asks ss to work in pairs,

practice speaking using the sample

conversation in task 1

- Ss work in pairs and fill in the table

- Ss work in pairs,

Pair work

Pair work

Post-speaking

(7’)

Activity 5: Prepare a talk

- T asks ss to work in groups of

six Each student selects one of

their favorite inventions, prepare a

talk (about 1 minute) then share

with other members of the group

Useful expressions:

- I would like to talk about …

- You can use it to …

- Ss work in groups, prepare a talk and share with the others

Group work