Unit 6
When was it invented?
Section B (1a-1e)
学习目标
Key words & phrases:
crispy, salty, sour, by mistake, customer
Key sentences:
1.—Did you know potato chips were
invented by mistake?
—Wow, I didn’t know that.
Who invented them?
What did they eat? Ice-cream.
What did the big dog think of the ice-cream?
Sweet, cool, and delicious!
Lead in
How will the bread and snack taste?
Sweet and delicious.
Can you think of any other flavor?
Salty, hot, bitter, sour, fresh …
sweet甜的crispy脆的 salty咸的
How do they taste?
hot辣的
bitter苦的
red bayberries pepperssour酸的
Presentation
cookies
crispy
lemons
soursweet
candy
salty
ice cream
tea
delicious nice
awful
prune
The words in the box describe how food
can taste. Write them under the correct
pictures. Some pictures have more than
one word.
1a
______ ______ ______ ______
______ ______ ______ ______
crispy sour saltysweet
cold delicious
sweet crispy salty sour
salty
adj. 脆的;酥脆的 adj. 酸的
adj. 咸的
fresh
sweet ____________________________
crispy ____________________________
salty ____________________________
sour ____________________________
Write the name of a different food
after each word.
banana apple
Beijing Duck
potato chips
grape
candy
cracker cookie
salt salted fish
lemon
1b
1. Potato chips were invented by
mistake.
2. They were invented in 1863.
3. The customer thought the
potatoes were not thin enough.
Listen and circle T for true or F or false.
T F
T F
T F
1c
4. The customer said they were
not salty enough.
5. George wanted to make the
customer happy.
6. The custom was happy in the
end.
T F
T F
T Fn. 顾客
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 CrumGeorge Crum
chefchef
1. Who invented potato chips?
They were invented by a cook called
George Crum.
2. When were they invented?
In 1853.
Listen and answer the questions.
3. What did the custom order at the
restaurant?
He ordered a plate of fried potatoes.
5. How did George cook the potatoes then?
He cut the potatoes really, really thin
and cooked them for a long time until
they were crispy. And he put lots of
salt on them so they were really salty.
4. What did the custom think of the potato
chips George cooked at first?
He thought they were cut too thick.
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 ____.
Listen again. Complete the sentences.
were invented
1853
1d
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
__________.
thin
really salty
crispy
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.
Why was it an accident?
One day, a customer ordered a plate of fried
potatoes. George cooked them for him. When
the potatoes came, he said they were cut too
thick and sent them back to the kitchen.
So what happened?
George was angry, so he cut the potatoes
really, really thin, and he cooked them for a
long time until they were crispy. And he put
lots of salt on them so they were really salty.
He thought the customer would hate them.
And then?
And the customer loved them and asked for
more. He told the other customers about
them, and soon everyone was ordering thinly
cut, crispy, salty potato chips.
Summary
1. Learned the history of potato
chips.
2. Learned how to describe the taste
of food.
Homework
1. Memorize the new words.
2. Do the exercises in students’ book.
3. Preview the passage in 2b.
Thank
you!