Unit 4 When was it invented?
Section B
1a The words in the box describe how food tastes
Write them under the correct pictures.
(Some pictures have more than one word.)
sweet crispy salty sour
1b Write the name of a different food
after each word.
2a Listen and circle "T"(for true) or "F "
(for false).
Hey,did you know that potato chips
were invented by mistake?
Really?What do you mean?
Well,here on the bag it says that
they were invented by a chef called George Crum.
When was that?Oh,it was back in 1853.
So,why was it an accident?
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.
So,what happened?Well,George was in a bad mood,
so he cut the potatoes really,really thin,
and he cooked them for a long time
until they were crispy.
And he sprinkle lots of salt on them
so they were really salty.
He thought the customer would hate them.And?
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.
And we're still eating them today.
What a cool story! Yeah.
2b Listen again.Complete the sentences.
Hey,did you know that potato chips
were invented by mistake?
Really?What do you mean?
Well,here on the bag it says that
they were invented by a chef called George Crum.
When was that?Oh,it was back in 1853.
So,why was it an accident?
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.
So,what happened?Well,George was in a bad mood,
so he cut the potatoes really,really thin,
and he cooked them for a long time until they were crispy.
And he sprinkle lots of salt on them so they were really salty.
He thought the customer would hate them.And?
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.
And we're still eating them today.
What a cool story!Yeah.
2c PAIRWORK
Role play the conversation about the invention of potato chips.
Use the information from 2a and 2b.
Did you know potato chips were invented by mistake?
Wow,I didn't know that.
Who invented them?
3a Read the article and write answers
to the questions.
Who invented tea?
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.
3b Write an article using the notes in the box.
4a Think of something that you don't like doing.
Then think of an invention that could help you.
Write the details in the chart.
4b PAIRWORK
Imagine you are a business person.
Ask your partner questions about his or her invention.
Then try to sell your partner's invention to the class.
This special pen was invented by Zheng Jie.
It has three colors and it is used for...