九年级英语|Unit 9 When was it invented?|Section B |1a-2c

课件21张PPT。Unit 9 When was it invented --Section B 1a-2c欧永明韶关市第八中学一、Teaching material analysisThis lesson is from section B 1a-2c in Unit 9. It is designed to learn how to describe how food tastes, to review and consolidate the usage of the Passive Voice. Make students know the history of potato chips. In 1a-1b, revise food and drink and let students know different kinds of foods and drinks have different tastes.
In 2a-2c, listening practice is designed to circle T or F in part 2a and complete the sentences in part 2b by listening again. Students may make conversations about the invention of the potato chips based on the information from the activities above. Encourage them to work out some ideas of inventions by working in groups.1. The position and the fun_ction of the teaching material2. Teaching aimsA. Knowledge aims 1). To review and consolidate the usage of
the Passive Voice
2). To learn adjectives used to describe how food tastes
3). To learn about the history of potato chips B. Ability aims1). To improve students’ listening，writing, speaking
and reading abilities by reading and practicing .
2).To develop students communicative ability
by consolidating the Passive VoiceC. Moral aims1.) To enable the students to love inventions and science.
2.) To cultivate students to love motherland by
comparing Chinese tea or food with foreign food3. Important points1). Consolidation of the Passive Voice, especially
the usage for describing inventions.
2). Using the learned phrases and sentence
patterns to describe how food tastes.4. Difficult points 1). Train listening skills
2). Develop communicative abilityA. Audio visual and situational teaching methods.
Food and pictures are showed to create real
situations to attract students’ attentions.
B. Task-based method. Different tasks are designed
for students to study on their own, in pairs and in
groups. It can help to cultivate students to cooperate
and solve problems actively and independently.Ⅱ.Teaching methods and studying methods
1. Teaching methods2. Studying methods A. Encourage students to get information about
inventions before class
B. Develop students to think and question before
solving every task.Ⅲ.The analysis of the students. The students come from villages and towns, their
English levels are different, In particular the abilities
of speaking and listening are not so good, English
knowledge isn’t also grasped solidly, they are used
to accepting English knowledge passively, the
majority of students are lack of the cooperation
consciousness, and dare not speak English in public.
But they are interested in new things and eager to
learn English well. Ⅳ. Teaching aidsMulti-media computer; objects; tape recorderⅤ.Teaching procedures Get some students to show some photos of great
inventors in history they collected, make others guess Step 1 Revision1.what’s the name of the inventor?
2. What invention was invented by him?
3.Which country was he from?
4.What is his invention used for? Aim: To check the task they did to train the abilities of
speaking, listening and writing, foster them to love
Science and creations Step2? Presentation1. Bring some food in class, such as oranges, pears,
biscuits etc. Give some oranges to some of them to
share. Then ask:
How do they taste?
Maybe their answer is:
it tastes sweet and sour. Write down
An orange tastes sweet and sour.
Teach crispy and salty like this. Practice like this:
what is your favorite food or drink?
How does it taste?Aim: Inspire Ss’ sense, attract Ss’ attention
directly, enliven the atmosphere of the room : 2.CompetitionGet them to try their best to write as many words
as they can.Aim: Extend and enforce the knowledge, improve
the spirit of teamwork Get them to complete 1a-1b Write down their answers Step 4 ExerciseAim: Go back to book and
experience the real Ex sMacdonaldStep 5 Consolidation(1).Present Macdonald pictures and food in Macdonald,
focus on potato chips and give them some questions
and listen to the tape
Q: who has been to Macdonald?
What is the favorite food there?(Fried chicken, Coca-cola, hamburger)
show them pictures of the three food.
POTATO CHIPSQ: who knows about the history of the potato chips?Tell them today we are going to learn it. Aim: Raise curiosities and interest, make them know what they are going to do (2).Go through 2a and listen again and finish it (3).Go through 2b and listen to the tape, check answers
and make them read the passage and explain some
phrases Aim: The abilities of listening, writing and
understanding are trained Aim: Train the abilities of the listening, writing and understanding further, to improve the abilities of solving problems, Step 6 Drill(1).Get them to do a test according the
listening material Aim: Cultivate Ss’ comprehensive ability It is said that potato chips were invented by ____
in ______.They were invented by a chef_____
George Crum. He was in bad mood and cut
the potatoes really ______---------(2).Get them to discuss the invention of the potato chips Aim: Develop oral English and the spirit of teamwork (3).Do some exercises Aim: Consolidate what they learned 1.The biscuit is very _____( 脆的).
2.The dead pig produced a terrible ________ ( 气味 ).
3.Microwave oven is a kind of ______________ (有用的发明).
4.The candy _______ (尝 ) sweet.
5.She added salt but it still wasn’t ________(咸的 ) enough. Etc
Homework and summary A. write a passage about favorite food or an invention
B. Make up sentences using useful expressions
and phrases
C. Copy new wordsAim: Make a comparison cultivate the spirit of
loving motherland and expand the language
skills in real life, different students have different HW.HomeworksummaryMake them think what they have learned in this lesson Aim: Encourage them to remind what they have learned Ⅶ.Blackboard design Ⅷ.Self-evaluation
The tasks of learning how to describe how
food tastes and revision and consolidation of
the usage of the Passive Voice have been
completed successfully. Students are interested
in objects and pictures, and the students’ ability
of catching information quickly has been developed
and the enthusiasm of study has been inspired.
The students’ skills of listening, speaking and
writing have been cultivated in a cooperative and
enjoyable atmosphere. THANKS