Unit 6 When was it invented Section B(1a-1e) 原创教学课件(共26张PPT)

(共26张PPT)
Unit 6 When was it invented
Section B (1a-1e)
Key words & phrases:
Learning target
crispy, salty, sour,
by mistake, customer
Key sentences:
1. Potato chips were invented by mistake.
2. The customer thought the potatoes were not thin enough.
contents
01
1a-1d
02
1e
Lead-in
Do you eat snacks What snacks do you like to eat
What does it / do they taste like
sour sweet bitter spicy
crispy hard soft greasy
S1: What does ... taste like
S2: It tastes ...
1a-1d
Part 01
Look and say
What kind of food can you see in these pictures
potato chips
lemon
ice-cream
salted eggs
1a
The words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word.
sweet crispy
salty sour
Can you think of some food that is sweet
sweet
Can you think of some food that is crispy
crispy
Can you think of some food that is salty
salty
Can you think of some food that is sour
sour
Write the name of a different food after each word.
1b
sweet ____________________________
crispy ____________________________
salty ____________________________
sour ____________________________
banana
watermelon
cheese
potato chips
vinegar
fried chicken
salted eggs
lemon
Listen and circle T for true or F for false.
1c
1. Potato chips were invented by mistake. T F
2. They were invented in 1863. T F
3. The customer thought the potatoes were not thin enough. T F
4. The customer said they were not salty enough. T F
5. George wanted to make the customer happy. T F
6. The customer was happy in the end. T F
Listen again. Complete the sentences.
1d
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
According to the listening material, how to make potato chips
Cut the potatoes into thin slices
Fry the potato slices until they are crispy.
Put salt on the potato slices.
1e
Part 02
Make a conversation about the invention of potato chips. Use the information in 1c and 1d.
1e
Did you know potato chips were invented by mistake
Wow, I didn’t know that. Who invented them
It’s said that they were invented by a cook called George Crum.
When was that
Oh, it was back in 1853.
......
by mistake “无意中；错误地”
eg.I took your pen by mistake.
我错拿了你的钢笔。
Language point
1. Potato chips were invented by mistake.
make mistakes “犯错”
eg.I don't make mistakes.
我才不会犯错误。
enough “adj.足够的”，修饰名词时不需要倒装。
e.g. There isn’t enough food left in the fridge.
冰箱里剩的食物不多了。
2. The customer thought the potatoes were not thin enough.
enough常可以和词组so ...... that ......,
too ......to ......转换。
enough “adv. 足够”，修饰形容词、副词时
需要倒装。
e.g. He’s tall enough to change the bulb without
getting on a chair.
他个头够高，不用踩椅子就可以换灯泡。
in the end “最后，终于”等于finally或at last 。
e.g. He won in the end.
He won finally.
He won at last.
3. The customer was happy in the end.
at the end of ... 在...末
e.g. At the end of this month
we’ll have a meeting.
这个月月末我们将会开个会。
by the end of ... 到...末为止
e.g. By the end of last year we’ve
made ten model planes.
到去年末为止我们已经做了十
架飞机模型了。
Exercises
一.用所给单词的正确形式填空。
1. The TV ____________ (invent) around 1927.
2. They are used for _______ (see) in the park.
3. This kite _________ (make) by Uncle Wang.
4. Tea plants ______________ (discover) a long time ago.
5. Our classroom _________________ (should clean) every day.
was invented
seeing
was made
was discovered
should be cleaned
二.选词填空。
crispy sweet salty sour
1. I don’t like eating chocolate. The 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
Learned the history of potato chips.
Summary
Learned how to describe the taste of food.
1
2
Homework
Memorize the new words.
Do the exercises in students’ book.
Preview the passage in 2b.
Unit 6 When was it invented
Section B (2a-Sc)