W Unit 16: Inventions. Period 99: Lesson 2: Speak doc

W
Unit 16: Inventions.
Period 99: Lesson 2: Speak


I. Objectives:
-After the lesson Ss will be able to get acquainted with the inventions: facsimile,
microphone, color TV, laser
-To drill Ss speaking skill.
II.Teaching aids
Textbook.
III. Teaching procedure.
1. Class organization:
2. Oral test:
Ask Ss to do the exercise 1 in the work book.
3. New lesson:
A. Warm up.
-Ask ss to give the process of making chocolate.
-Work in pairs to speak aloud before the class.
First, the beans are washed, weighed and cooked.
Then, the shells are removed.
Next, cacao butter, sugar, vanilla and milk are added.
The mixture is ground, rolled, and poured into the molds.
B. Presentation
* Pre- speaking.
- ask to look at the speaking and then listen to teacher to prepare for the speaking.
- Explain the meaning of new words:
Facsimiles: m¸y fax. Reinforced concrete: bª t«ng cèt thÐp
Microphone: mØ cr« X-ray: m¸y chôp x- quang.
Loudspeaker: loa phãng thanh Helicopter: m¸y bay trùc th¨ng
Laser: kü thuËt la de. Printing press: m¸y in.

Optical fiber: sîi quang.
-Read the new words aloud before the class.
* While - speaking.
-Ask ss to work in pairs to practice asking and answering the questions to fill in
the table the inventions, names, and the nationalities
 When was laser invented?
 What was invented by D.E Hughes?
 What was his nationality?
-Work in pairs to practice.
-Call some pairs to practice before the class.
A: Who was microphone invented by?
B: It was invented by D.E Hughes.
A: What was his nationality?
B: He was an American.
A: When was the microphone invented?
B: It was invented in 1878.
-Give the correct answers:
* Post - speaking.
-ask ss to work in pairs to play the game.
One read the inventions.
Others read the inventors.
4. Consolidation:
-Ask ss to retell the inventions and the inventors.
5. Home work :
-Ask ss to do the exercise 2 in the work book.