(共63张PPT)
Unit 9 When was it invented
Section B
Period 3
SectionB 1a— 2c
Talking
1.Do you like food, fruit and drink
2.What kind of food, fruit and drink do you like best
3.Can you describe the tastes of them
sweet
-How does it taste
-It tastes…
ice cream
sour
-How do they taste
-They taste…
lemons
crispy and salty
-How do they taste
-They taste…
potato chips
脆的,易碎的
咸的,含盐的
crispy and sweet
-How do they taste
-They taste…
cookies
苦瓜
bitter
-How does it taste
-It tastes…
peppers
-How do they taste
-They taste…
hot
sweet
crispy
salty
sweet
sour
bitter(苦的)
1a Tell what they are and how they taste.
potato chips
lemon
ice cream
tea
Fill in each blank with the correct word given.
crispy sweet salty sour
1. I don’t like eating chocolate. Its taste is too
.
2. Mom added salt but it still wasn’t
enough.
3. I prefer lemons to oranges. I like the
taste.
4. She likes cookies. They are hard,
dry and easily broken.
sweet
salty
sour
crispy
Sour
Sweet
Bitter(苦的)
Hot(辣的)
Salty
Crispy
Fragrant(香的)
2.Competition
Try to write as many words as you can.
Sour grapes, lemon
Sweet apple, orange, banana, honey, orange juice, cakes
Bitter(苦的) Beer, balsam pear(苦瓜)
Hot(辣的) pepper
Salty pizza, French fries,
Crispy potato chips, cookies
Fragrant(香的) Chips , fried chicken
2.Competition
Try to write as many words as you can.
Pairwork:
-What kind of food do you like
- I like …because I like food that tastes…
a chef = a cook
I think a good chef can cook a lot of delicious food.
And they often invent some new food.
Who can make delicious food
Maybe he is cooking something delicious.
Now he is sprinkling some salt on the pancake.
sprinkle sth on sth把…撒在…上
What are needed
The potatoes are cut into slices.
The slices are cooked in the pan.
The pepper and tomatoes are Sprinkled .
potato chips
Who were potato chips invented by
When were potato chips invented
George Crum
chef
2a.Listen and circle “T” (for true) or “F” (for false).
Potato chips were invented by mistake.
They were invented in 1863.
The customer thought the potatoes weren’t thin enough.
The customer said they weren’t salty enough.
George wanted to make the customer happy.
The customer was happy in the end.
T F
T F
T F
T F
T F
T F
The history of the potato chips
The history of chips
that potato chips were invented by mistake Chips by a chef called George Crum. They were invented in .George Crum cooked them for a long time until they . And he sprinkled lots of salt on them so they were
.
Did you know
were invented
1853
were crispy
really salty
2b: Listen again. Complete the sentences
Boy 1: Hey,did you know that potato chips
were invented by mistake
Boy 2: Really What do you mean
Boy 1: Well, here on the bag it says that
they were invented by a chef called
George Crum.
Boy 2: When was that
Boy 1: Oh, it was back in 1853.
Boy 2: So, why was it an accident
Boy1:Well, one day a customer in the restaurant
where George worked sent back his plate of fried
potatoes because he said they were cut too thick.
Boy 2: So what happened
2a,2b
2a,2b
Boy 1: Well, George was in a bad mood, so he cut the potatoes really, really thin, and he cooked them for a long time untill they were crispy. And he sprinkled lots of salt on them so they were really salty. He thought the customer would hate them.
Boy 2: And
Boy 1: And the customer loved them and asked for more. He told the other customers about them, and soon everyone was ordering thinly-sliced, crispy, salty potato chips.
Boy 2 :And we are still eating them today. What a cool story!
Boy 1: Yeah.
sprinkle 洒（粉末状物）洒（液体）
坏脾气 be in a bad mood
Tape Scripts:
The history of potato chips
Who were they invented by
When were they invented
How were they invented
A: Did you know potato chips were invented by mistake
B: Wow, I didn’t know that. Who invented them
A: …
Read 2b,finish the chart and make dialogues.
George Crum
In 1853
By mistake. Cooked, sprinkled… on, salty
1.Go over the history of chips and write a short essay about it.
2.Look for the invention of tea by the Internet. Then copy the information on paper.
Period 4
SectionB 3a—selfcheck2
What will you do if you are really thirsty
You’d like to drink these beverages.
[ 'bev rid ] n. 饮料
What’s the most traditional beverage in China
Tea has a long history.
Tea was discovered 3000 years ago.
boiling drinking water
leaves
It smells pleasant.
It tastes bitter and …
There’s an ancient legend
about tea.
black tea 红茶
green tea
milk tea
Who was tea invented by
It was invented by the Chinese
emperor Shen Nong．
emperor Shen Nong
A cup of tea
4. How was it invented
boiling water over an open fire
fell into …and remained…
noticed…
produced
a pleasant smell
tasted the hot mixture —tea
It was invented by accident.
Read the article and write answers to the questions.
What is the article about
It is about the invention of tea.
It was invented over three thousand
years ago.
It was invented by the Chinese emperor
Shen Nong.
It was invented by accident.
3. Who was it invented by
4. How was it invented
2. When was it invented
Did you know that tea, the most popular drink in the world (after water), was invented by accident Although tea wasn’t brought to the Western world until 1610, this beverage was discovered over three thousand years before that.
According to an ancient Chinese legend, the emperor Shen Nong discovered tea when he was boiling drinking water over an open fire. Some leaves from a nearby bush fell into the water and remained there for some time. The emperor noticed that the leaves in the water produced a pleasant smell. Later he decided to taste the hot mixture. It was quite delicious. And in this way, one of the world’s favorite drinks was invented.
Who invented tea
3a
偶然
直到.. 才
根据
中国古代神话
令人愉悦的气味
用这种方法
超过三千年
决定做某事
by accident
not…until
according to
an ancient Chinese legend
a pleasant smell
in this way
over three thousand years
decided to do sth
Did you know that tea, the most popular drink in the world (after water), was invented by accident Although tea wasn’t brought to the Western world until 1610, this beverage was discovered over three thousand years before that.
According to an ancient Chinese legend, the emperor Shen Nong discovered tea when he was boiling drinking water over an open fire. Some leaves from a nearby bush fell into the water and remained there for some time. The emperor noticed that the leaves in the water produced a pleasant smell. Later he decided to taste the hot mixture. It was quite delicious. And in this way, one of the world’s favorite drinks was invented.
Who invented tea
3a
Fill in the chart according to 3a
Who:
What:
When:
Where:
How:
Today:
Shen Nong
tea
over three thousand years
ancient China
by accident
one of the world’s favorite drinks
1. most popular drink
10. was delicious
5. by emperor SN
discovered
2. by accident
invented
3. until 1610
brought
4. over 3000 years ago
boiling
over an open fire 6
fell into
the water 7
produced
pleasant smell8
taste
the hot mixture 9
discovered
Is Drinking tea helpful to health
Drinking several cups of green tea each day may reduce(减少) a person's risk of cardio-vascular (心血管) disease, according to a study of 40,000 people in Japan. Japanese researchers found that those who had more than five cups of green tea daily had a 26 percent lower risk of dying from cardio-vascular disease than those who had less than one cup per day.
the history of food
the history of beverage
the history of sports
potato chips
tea
flying disk
Writing---2
Just now we knew something about the invention of tea.
Then let’s write something about the invention of flying disk.
What’s this
3b– let’s something about flying disk
in the box then ask and answer.
Who: college students
What: metal pie plate, flying disk
When: 1950
Where: bakery Bridgeport, Connecticut
Why: new toy
How: students eat pie, throw pie plates
Today: clubs, magazines, festival
3b Read and answer:
1. Who invented flying disks
2. When were they invented
3. What did the college students use for flying disks
4. Where were the metal pie plates from
5. How were the flying disks invented
College students invented flying disks.
They were invented in 1950s.
They use metal pie plates for flying disks.
They were from a bakery Bridgeport, Connecticut.
The college students ate pies and then threw pie plates.
Writing----From pie plate
to flying disk.
The flying disk was invented by college students.
They used a metal pie plate from a bakery in Bridgeport, Connecticut. Students ate the bakery’s pies and then threw the pie plates. Today, there are flying disk clubs, magazines and a festival.
From pie plate to flying disk.
The flying disk was invented by college students . It is a new toy. A flying disk will be used when you play it. It was first played at the bakery in Bridgeport, Connecticut in 1950s. After the students ate the pie, they threw the pie plates far away. Now this game is very popular around the world. And you can see the game in the sports clubs, magazines, and some festivals.
music candle
activity glasses
temperature cup
My great invention
My great invention ---4
1.万能学习机
2.万能干活机
3.万能答卷机器人
4.Reason, name, who, when, where, what use, price
Problem Don’t want to learn English
New
invention Universal learning machine.
万能学习机
Use Listen, learn and write instead of you
Price 100 yuan each
My great invention 1
Problem writing tests
New
invention a pen that listens and writes
万能学习笔
Use listen and write instead of you
Price 50 yuan each
My great invention 2
Write your inventions---pairwork
Reason --- name --- who ---when --- where ---what use --- price
Composition---作文
My great invention
提示：Reason --- name --- who ---when --- where ---what use --- price
学习，生活等方面
by accident
beverage
according to
ancient
legend
Boil
in this way
偶然; 意外
n.饮料
根据; 按照
adj. 古代的;古老的
n.传说;传奇故事
v. 煮沸;烧开
bush
fall into
remain
produce
pleasant
n. 灌木
落入; 陷入
v.保持; 剩余; 残余
v.生产; 制造; 产生
adj.舒适的;
令人愉快的
用这种方法
an ancient Chinese legend
一个古老的中国传说
drinking water
饮用水
I want to invent a kind of food. It is as ______ as sugar. It is as _______ as potato chips. It is a little _______ like lemons. But I won’t _______ too much salt on it. I don’t want it to be too _____. I think one day I will invent it by ________.
sweet
crispy
sour
salty
mistake
KFC food is junk food, because it’s unhealthy. Try to eat less this kind of food, or you will get fatter.
sweet
crispy
sour
sprinkle
salty
mistake
crispy sweet salty sour
I don’t like eating chocolate . It tastes too ______ .
Mom added salt but it still wasn’t _____ enough.
3. I prefer lemons to oranges . I like the ____ taste.
4. She likes ______ cookies. They are hard, dry and easily broken.
crispy
sweet
salty
sour
Self-check
2.Learning and writing
四大文明古国---China
abacus
Chinese
6 century
Name
Who
When
What use
calculating
What’s in Obama’s hand
Name
Who
When
What use
umbrella
Chinese
About 4000 years ago
Keep people from the rain and sunlight
What’s the cow doing now
Name
Who
When
What use
bike
Englishmen
1802
Carry people to sp easily and quickly
Cannon--- Camera
Name
Who
When
What use
Camera ,Joseph, 1827, taking photos
Binoculars
Name
Who
When
What use
Binoculars,
Galileo, Italy,
1609,
see things far away clearly,
abacus
binoculars
umbrella
camera
Find out when these things were invented and then write about them.
________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
bicycle
The abacus was invented in the sixth century by Chinese people.
The umbrella was invented about 4000 years ago in Assyria, China and Egypt. In Italy in 1854 , Ignatio Porro invented the binoculars. The Camera was invented by Joseph Nicephore Niepce in 1827 who took the first picture. The bicycle was invented in the 1880s in England.
Grammar learning---变被动语态
1. I read English just now.
2.she can speak Japanese.
3.we have recited 3a now.
4.I am reading Chinese.
5. He made me stand up.
6. I give him a book today.
7. English was read by me just now.
8. Japanese can be spoken by her.
9. 3a has been recited by us.
10.Chinese is being read by me.
11. I was made to stand up by him.
12. A book is given to him by me.
Grammar learning---变被动语态
1. I read English just now.
2.she can speak Japanese.
3.we have recited 3a now.
4.I am reading Chinese.
5. He made me stand up.
6. I give him a book today.
7. English was read by me just now.
8. Japanese can be spoken by her.
9. 3a has been recited by us.
10.Chinese is being read by me.
11. I was made to stand up by him.
12. A book is given to him by me.
动词填空：
The TV __________ (invent) around 1927.
They are used for _______ (see) in the park.
This kite _________ (make) by Uncle Wang.
Tea ___________ (discover) a long time ago.
Our classroom _________________
(should clean) every day.
was invented
seeing
was made
was discovered
should be cleaned
1.Remember the new words and phrases.
2.Go over the history of tea and write a short essay about it.
