(共24张PPT)
（人教新目标版）九年级
Period 4 Section B (1a-1e)
Unit 6
When was it invented
Learning objectives
Language competence
To learn some words to describe how food can taste: crispy, sour,sweet, salty
Cultural awareness
To realize that the inventions have changed our lives a lot and the wisdom can create wealth.
Thinking quality.
To know about the inventions in history and train Ss' innovative spirit.
Learning ability
1.To talk about the history of potato chips using the passive voice
2.To improve ability of listening and speaking.
What did they eat
Ice-cream.
What did the big dog think of the ice-cream
Sweet, cool, and delicious!
Leading-in
How will the bread and snack taste
Sweet and delicious.
Can you think of any other flavor
Salty, hot, bitter, sour, fresh …
Leading-in
sweet甜的
crispy脆的
salty咸的
How do they taste
hot辣的
bitter苦的
red bayberries
peppers
sour酸的
Leading-in
crispy
lemons
sour
sweet
candy
salty
ice cream
tea
delicious
nice
awful
prune
Leading-in
Can you describe
the tastes of them
They are
crispy and salty.
1a
脆的
咸的
Pre-listening
What’s this How does it taste
sweet
ice cream
Pre-listening
salted duck egg
salty
What’s this How does it taste
Pre-listening
lemons
sour
What are these
How do they taste
Pre-listening
______ ______ ______ ______
______ ______ ______ ______
crispy
sour
salty
sweet
cold
delicious
sweet crispy salty sour
salty
adj. 脆的；酥脆的
adj. 酸的
adj. 咸的
fresh
Pre-listening
Write the name of a different food after each word.
sweet
crispy
salty
sour
banana, water melon
fried chicken, potato chips
cheese, salted eggs
vinegar, lemon
1b
Pre-listening
T F
Listen and circle T for true or F for false.
1. Potato chips were invented by mistake.
2. They were invented in 1863.
T F
4. The customer said they were not salty enough.
5. George wanted to make the customer happy.
6. The customer was happy in the end.
T F
T F
T F
T F
1c
back in 1853.
loved the
potatoes.
didn’t want
3. The customer thought the potatoes were not thin enough.
While-listening
The History of Potato Chips
Do you know how potato chips were invented Potato chips ______________ by a cook called George Crum. They were invented in ________________. George Crum cut the potatoes really, really ___________ and then cooked them for a long time until they were _________. Finally he put lots of salt on them so they were ______________.
were invented
1853
thin
crispy
really salty
1d
Listen again. Complete the sentences.
While-listening
Post-listening
Did you know potato chips were invented by mistake
Wow, I didn’t know that.
Who invented them
1e
Make a conversation about the invention of potato chips. Use the information in 1c and 1d.
Post-listening
They were invented by a cook called George Grum.
When was that
Make a conversation about the invention of potato chips. Use the information in 1c and 1d.
Post-listening
Oh, it was in 1853.
Wow, cool. Why was it an accident
Make a conversation about the invention of potato chips. Use the information in 1c and 1d.
Post-listening
Eh…it is really a long story.
Never mind, I am not busy.
Make a conversation about the invention of potato chips. Use the information in 1c and 1d.
Post-listening
Role-play
1. Role play in groups;
2. Role play in front of the class
We’ll see which group does the best.
1e
Post-listening
Summary
Key words and phrases
crispy, sour, salty
2. The history of potato chips
1.Review the new words and expressions you’ve learned today.
2.Do the exercises in students’ book.
3.Preview 2b
Homework/ 让教学更有效 高效备课 | 英语学科
Unit 6 When was it invented Section B (1a-1e) Period 4
教学设计
课题 Section B (1a-1e) 单元 Unit 6 When was it invented 课型 Listening and Speaking
使用教材 人教版 出版时间 2015 学科 英语 年级 九年级
教学目标 Language competence To learn some words to describe how food can taste: crispy, sour,sweet, salty Cultural awarenessTo realize that the inventions have changed our lives a lot and the wisdom can create wealth. Thinking quality.To know about the inventions in history and train Ss' innovative spirit. Learning ability1.To talk about the history of potato chips using the passive voice2.To improve ability of listening and speaking.
重难点 1.To talk about the history of potato chips using the passive voice.2. To improve ability of listening and speaking.
教学方法 Task-based teaching method, situational teaching method
教学工具 PPT. textbook, blackboard, a multimedia computer
教学过程
Step 1 Leading-in1.Show some pictures and ask:a. What kind of snacks do you like to eat b. How do they taste c. which taste do you like best 2. Let Ss divide the food into different tastes.[Purpose] To lead in the topic and learn the new words.Step 2 Pre-listeningAsk Ss to look at the food in 1a and describe their tastes2.Guide Ss to brainstorm more food for each taste and write down the name of food in 1b.3.Show the pictures in 1c and let Ss predict what they were talking[Purpose] To get ready for listening tasksStep 3 While-listening 1.Play the tape and let Ss circle T or F in 1c 2. Ask Ss to listen again and finish 1d. 3. Let Ss listen and fill in the blanks.4.Lead Ss to read the dialogue after the tape. [Purpose] To improve Ss' listening skills.Step 4 Post-listening1. Let Ss finish the mind map and then retell the history of potato chips. 2.Invite some Ss to present in class.[Purpose] To practice speaking abilityStep 5 SummaryKey words and phrasesThe history of potato chipsStep 6 HomeworkReview the new words and expressions you’ve learned today.Do the exercises in students’ book.Preview 2b
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