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(共19张PPT)
Unit 6 When was it invented
Section B (1a-1e)
人教版九年级（全）
Learning Objectives
1. describe the flavors of food using adjectives;
2. talk about the invention of potato chips;
3. introduce the story of an invention.
By the end of the class, we will be able to:
Read the following words. What are these words used
to describe
sweet
salty
sour
bitter
spicy
crispy
These words are used to describe the flavors of food.
What do these snacks taste like
crackers
rice crackers
crispy noodles
They taste salty and crispy.
What do these fruit taste like
plums
oranges
hawthorn
They taste sour.
What do these food taste like
cured meat / smoked meat
sausage
salted fish
They taste salty.
What do these snacks taste like
cupcake
sugar painting
chocolate
They taste sweet.
How do these food taste Write the description words under the correct pictures. Some pictures have more than one word.
__________
__________
__________
__________
__________
__________
__________
__________
Write the name of a different food after each word.
sweet __________ crispy ___________
salty __________ sour ___________
Read the sentences and answer the questions.
What is this conversation about
Where did this story take place
Listen and circle T for true or F for false.
Listen again. Complete the sentences.
were invented
1853
thin
crispy
really salty
Answer the questions based on listening.
1. How and when were potato chips invented
2. What was the name of the inventor What was his job
3. Why was it a mistake What did the cook do with the
potatoes then
Make a conversation about the invention of potato chips. Use the information in 1c and 1d.
A: Did you know potato chips were invented
by mistake
B: Wow, I didn’t know that. Who invented
them
A: ...
supplementary listening
Do you want to know some information about popsicles Listen to the conversation about the invention of popsicles and choose the best answer to the questions below.
1. How old was Frank Epperson when he created the popsicle
A. 20 years old. B. 32 years old. C. 11 years old.
2.What was the first popsicle NOT made of
A. A wooden stick. B. Cherry. C. Soda powder with water.
3.Who created the name “popsicles”
A. Frank Epperson.
B. Frank Epperson's children.
C. Frank Epperson's wife.
Listen again and complete the sentences.
The history of popsicles
Do you know how popsicles were invented Popsicles ___________
by a kid called Frank Epperson. They were invented by mistake in _________. Frank made a drink for himself and _______ the drink outside on a cold night. The drink had a mixing stick in it. Next morning, when the frozen drink _________ out of the cup, it stayed on the stick. That's how the first popsicle was created. Many years later, Frank started selling them. Now popsicles are still very _______.
was invented
a cold day
left
was taken
popular
Make a dialogue about the invention of popsicles. Use the information in listening.
A: Did you know popsicles were
invented by mistake
B: Wow, I didn’t know that. Who
invented them
A: ...
Homework
Search the Internet for more information about your favorite invention and find out how it was invented. Please list one interesting fact / story about the invention.
THANK YOU!

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