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(共14张PPT)
Unit 5 Great inventions
第2课时
Lesson 2 Ways of travelling
Activity 1: Lead in
Read the questions in Part 1 and give your answers.
A What ways of travelling in history do you know
B Which invention in travel do you think is the most important
Good job. Now let’s move on to today’s topic.
Activity 1: Lead in
Look at the picture in Part 2 and guess what the passage talks about.
Activity 1: Lead in
Look at the picture in Part 2 and guess what the passage talks about.
The passage talks about the ways of travelling. Let’s go into the fast reading.
Activity 2: Read and talk
Read the passage in Part 2 and find out the sentences with the new words. Then guess the meanings and try to understand them.
Activity 3: Read and match
Read the passage again and match each part with its main idea in Part 2.
Read the passage for the third time and complete the table below.
Activity 4: Read and complete
We have got the main idea of the passage. To get some details, please read the passage for the third time and complete the table.
Read the passage for the third time and complete the table below.
Activity 4: Read and complete
In fact
other means of
have the power to move
the compass
explore more places
Canal
waterway
Modern means of transportation, such as high-speed trains and airplanes
Eco-friendly
in development
in spaceships
much easier and faster
a symbol of
work for
transportation
Work in groups and try to retell the passage according to the table above.
Activity 5: Read and retell
Please observe the structure and read the sentences in the table. Then work in groups to retell the passage.
Activity 6: Read and complete
Read the passage in Part 3 and complete it.
Pay attention to some reading skills, such as skimming and scanning. Quickly read the first or last sentences of paragraphs, headings, and transition words to grasp the main idea and structure of the text. Search for specific keywords (e.g. bicycles, by train, high-speed trains... ) in the text to locate detailed information instead of reading every word.
Activity 6: Read and complete
Read the passage in Part 3 and complete it.
B
D
A
C
Activity 7: Discuss and present
Work in groups. Discuss the question with your partner and make a report.
What transportation do you think will appear in the future
1. Finish the self-check on the learning sheet. (Required)
2. Create a timeline to list inventions in the passage, noting their order of appearance and key impacts with paragraph references. (Required)
3. Continue the passage’s last sentence “Let’s enjoy these developments and work for more great things in the future. ”into a 90-word short story about a future transportation in daily life. (Optional)
Homework(共15张PPT)
Unit 5 Great inventions
第5课时
Lesson 5 Refrigerator timeline
Activity 1: Look and discuss
Look at the pictures of refrigerator and talk about the following questions.
Activity 1: Look and discuss
Look at the pictures of refrigerator and talk about the following questions.
What is it
Is there a refrigerator in your family
What things do we usually put into the refrigerator
Activity 1: Look and discuss
Why do we put the things into the refrigerator
Watch a video about the refrigerator and answer the question.
Most of you know the importance of the refrigerator. Do you want to know when the first refrigerator was invented and who invented it Today we will know more about the development of the refrigerator.
点击图片播放视频
Activity 2: Read and answer
Read the timeline in Part 1 fast and get the main idea.
The main idea:
This timeline shows the evolution of food preservation and refrigeration technology over centuries
Activity 2: Read and answer
Read the timeline again and circle the correct answers in Part 2.
Activity 3: Read and complete
Read the timeline for the third time and complete the mind map below.
Activity 3: Read and complete
Read the timeline for the third time and complete the mind map below.
Ancient times
1748
1890s
1918
1940s
1996
1600s
1805
1913
1920
1980s
Activity 3: Read and complete
Read the timeline carefully and complete the short passage.
Activity 3: Read and complete
Read the timeline carefully and complete the short passage.
The refrigerator is important in our daily life. Let me introduce the development of it.
In ancient times, Ancient China, Greece, and Rome used ______ or ______ to preserve food by ______ and ______ it. In the 1600s, _________ were used to preserve food all year-round. In 1748, William Cullen did an experiment on artificial refrigeration. In ______, Oliver Evans designed the first refrigeration machine. In the 1890s, iceboxes became _______. They were smaller icehouses meant for home use. In 1913, Fred W. Wolf ______ the first home electric refrigerator. In 1918, mass production of home refrigerators began. In the 1920s, refrigerators became popular in some countries. In the 1940s, ______ compartments were added. In the 1980s, water dispensers were added. In 1996, refrigerators became more ______-saving.
ice
snow
freezing
chilling
icehouses
1805
popular
invented
freezer
energy
Work in groups and choose an invention in our daily life. State the reason why you think it is the most important invention.
Activity 4: Discuss and confirm
Do you know any inventions in your daily life What invention do you think is the most important What influence have it had Now, talk with your partner and find an invention.
Make your timeline about the invention. Put the most important dates on the timeline and add details and important information.
Activity 4: Discuss and confirm
Use the timeline to introduce the invention to your class.
Activity 5: Prepare and show
Hints:
Today I want to introduce a great invention—the...
It was invented in...and has changed...in our lives.
It became popular in... People use it to...
Later, ...was added, making it more... It is very useful for...
1. Finish the self-check on the learning sheet. (Required)
2. Retell the development of the refrigerator. (Required)
3. Write a passage about an invention that has appeared in recent years and make an information card. (Optional)
Homework(共20张PPT)
Unit 5 Great inventions
第3课时
Lesson 3 Computers and the internet
Activity 1: Watch and talk
Watch a video and talk about the following questions.
What do you see from the video
Do you use computers and the internet What for
Activity 1: Watch and talk
What do you like to do on the computer Tick in Part 1 and talk with your partner.
Activity 2: Read and answer (Fast read)
Read the conversation in roles and answer the questions in Part 2.
Activity 2: Read and answer (Fast read)
Read the conversation in roles and answer the questions in Part 2.
A What does Jenny want to do on the computer
B How did Jenny’s mum do homework when she was a studeent
Jenny wants to do her homework on the computer.
When Jenny’s mum was a student:
Everything was written by hand on paper.
She looked up words in a printed dictionary (when she didn’t know spellings).
She went to the library for research.
Activity 3: Read and complete (Carefully read)
Read the conversation again and complete the mind map.
While reading, find the differences between the past and present. Then complete the mind map.
Activity 3: Read and complete (Carefully read)
Read the conversation again and complete the mind map.
was written by
a printed
go to the library
dictionary
widely used
as convenient as
on
the computer.
online
definitions and examples
new technology
their homework.
amazing
inventions
applications
Activity 3: Read and complete (Carefully read)
Think and answer one more question.
OK, everyone. After you finish the mind map, I have one
more question for you.
Let’s think and share your ideas.
Why does Mum say Jenny is lucky
Learn the grammar.
Activity 4: Learn the grammar
While watching, please pay attention to the red parts and find the differences between the active voice and the passive voice.
Learn the grammar.
Activity 4: Learn the grammar
Learn the grammar.
Activity 4: Learn the grammar
Read the passage in Part 2 again and underline the sentences using “was/were+v -ed”.
Learn the grammar.
Activity 4: Learn the grammar
Pay attention to the parts in yellow and find out the sentences like this in the passage in Part 2.
Complete the passage in Part 3.
Activity 4: Learn the grammar
When we use the passive voice to say a past thing, we use “was/were+v-ed”.
Complete the passage in Part 3.
Activity 4: Learn the grammar
was
covered
was
written
was
attracted
are
taken
was
brought
Read and complete the conversation in Part 4 and then act out the conversation in groups.
Activity 5: Complete and act out
C
A
D
B
Activity 6: Discuss, write and share
Watch a video and discuss the following questions in groups.
What advantages do you think the internet has
What disadvantages do you think the internet has
How has technology changed your study
Activity 6: Discuss, write and share
Write a passage according to your discussion and then share your writing with the class.
You have done a good job. It’s time to write a passage according to your discussion. You can use “ Homework was once done by hand, but now it’s often done on computers. ” to do your writings. Then share your writing with your partner.
Activity 6: Discuss, write and share
Write a passage according to your discussion and then share your writing with the class.
We know computers and the internet plays an important part in our life and study.They make our life and study more convenient. But they also have some disadvantages. You should use them carefully.
1. Finish the self-check on the learning sheet. (Required)
2. Polish your passage. (Required)
3. Interview your classmates and talk about: How did you study without the internet (Optional)
Homework(共20张PPT)
Unit 5 Great inventions
第1课时
Lesson 1 Inventions are great!
Activity 1: Lead in
Look at some pictures and listen to my words. Can you guess what they are
① It’s a great invention. People can write on it.
paper
Activity 1: Lead in
② It’s a system. People can get information and talk with others through it.
the internet
Activity 1: Lead in
③ It has two wheels. People ride it to go somewhere.
a bike
Activity 1: Lead in
④ It can fly in the sky. People take it to travel far quickly.
a plane
Activity 1: Lead in
⑤ It helps people work. People can play games on it.
a computer
Activity 1: Lead in
⑥ It has four wheels. People drive it on roads.
a car
Activity 1: Lead in
⑦ It lets people talk to others far away. People can talk on it while walking.
a mobile phone
Activity 1: Lead in
⑧ It gives light. People use it to see in the dark.
a light bulb
We have known so many inventions. Which invention do you think is the most important
Activity 2: Listen and circle
Listen to the conversation in Part 2, find out what the conversation is about and circle the pictures of inventions mentioned.
Ms Liu and her students are talking about different inventions. Please listen to the conversation and then circle the pictures of inventions mentioned
Activity 3: Listen and complete
Listen to the conversation in Part 2 again and fill in the blanks in Part 3.
Pay attention to some listening skills, such as writing down some important information while listening to help you fill in the blanks.
第2部分音频
Activity 3: Listen and complete
Listen to the conversation in Part 2 again and fill in the blanks in Part 3.
influenced
connects
communicate
lights up
much
Washing machines
electric
Activity 4: Read and answer
Work in groups and read the conversation in Part 2 in roles.
Activity 4: Read and answer
Work in groups. Read the conversation in Part 2 in roles and answer the following questions.
What would Song Hua invent if he could invent something Why
What would Li Lin invent if she could invent something Why
What do inventions stem from And what should we do
Activity 4: Read and answer
Share your ideas.
What would Song Hua invent if he could invent something Why
What would Li Lin invent if she could invent something Why
What do inventions stem from And what should we do
Song Hua would invent a time machine. He wants to use it to travel to different periods of history.
Li Lin would invent a robot. She wants the robot to do chores for her.
Inventions stem from imagination and creativity. We should keep dreaming and come up with new ideas.
Activity 5: Listen and number
Listen to the dialogue in Part 4 and number the inventions you hear in order.
Make a conversation about the topic in Part 5 and act out the conversation.
Activity 6: Make a conversation and act it out
Which invention do you think is the most important
Please talk with your partner and make a conversation. Then I will invite you to act it out in class. You can follow the example in Part 5.
Discuss the following questions and share your ideas.
Activity 7: Discuss and share
We’ve talked about great inventions before. Now, it’s time to imagine YOUR dream invention. Ready to share crazy, cool,or super-helpful ideas
What’s my dream invention
What does it look like
What can it do
How will it change our lives
1. Finish the self-check on the learning sheet. (Required)
2. Listen to the textbook’s dialogue audio. Read aloud and imitate the pronunciation, intonation, and rhythm. (Required)
3. Imagine your “dream invention”, draw a simple picture and write a description. (100~150 words) (Optional)
Homework(共13张PPT)
Unit 5 Great inventions
第6课时
Great inventions of ancient China
Activity 1: Watch and answer
Look at the pictures and answer the following questions.
What great inventions are they
How many great inventions do we have in China
Activity 1: Watch and answer
Watch a video about inventions and answer the following questions.
Are there other kinds of inventions in China
What can these inventions do for people
What influence do these great inventions have on
the society
From the video, we know a lot of amazing inventions. They have great influence on our life. Today we will also learn about some great inventions.
点击图片播放视频
Activity 2: Read and answer
Read the passage quickly and answer the questions in Part 1.
A Who discovered tea according to the passage
B There is another name for porcelain. What is it
Activity 2: Read and answer
Read the passage quickly and answer the questions in Part 1.
A Who discovered tea according to the passage
B There is another name for porcelain. What is it
According to the passage, Shennong (an ancient Chinese emperor) discovered tea.
The passage does not mention “another name for porcelain” — it only introduces porcelain’s origin (Han Dynasty in China) and spread.
Activity 2: Read and answer
Read the passage in Part 1 carefully and fill in the blanks in Part 2.
A Abacus has a history dating back about ______ years. It once was the primary ______ used by merchants and bankers to calculate.
B Tofu is a good ______ of protein and is ______ in minerals that are important for people's health.
C Tea was discovered by Shennong, an ancient Chinese emperor, when a tea leaf ___________ fell into a pot of boiling water.
D The origins of porcelain can be traced back to ______________ and then became one of China’s most famous exports.
E Silk is made from the cocoons of __________ and the Silk Road was named after this valuable product.
2500
tool
source
rich
accidentally
the Han Dynasty
silkworms
There are a lot of inventions around the globe. You can find them on the internet and write down the key points in the blanks.
Activity 3: Search and record
There are a lot of inventions around the globe. You can find them on the internet and write down the key points in the blanks.
Activity 3: Search and record
Inventions Time Countries Influences
Abacus Over 2,500 years ago China Key calculation tool for merchants
Tofu Over 2,000 years ago China Popular global protein food
Tea making Ancient times China Worldwide popular drink
Porcelain The Han Dynasty China Famous global export
Steam Engine 1765 UK Powered the Industrial Revolution
Telephone 1876 US Revolutionized long-distance communication
Select one invention from your research above and present it to your classmates using the given sentence patterns below.
Activity 3: Search and record
I want to introduce... to you.
It is invented in... by...
It helps people ...
It is popular worldwide.
...
Work in groups. Select a great invention and introduce it.
Activity 4: Prepare and show
S1: I want to introduce... to you. It is invented in... by... It helps people... It is popular all over the world.
S2: ...
S3: ...
Work in groups. Select a great invention and introduce it.
Activity 4: Prepare and show
1. Finish the self-check on the learning sheet. (Required)
2. Retell the passage in Part 1. (Required)
3. Write a passage about another invention and make an information card for it. (Optional)
Homework(共14张PPT)
Unit 5 Great inventions
第4课时
Lesson 4 Thank you, Mr Pasteur!
Activity 1: Lead in
Good morning, boys and girls! Look at the bottle of milk.
Do you drink milk every day Why
Do you know how the milk we drink is processed
Read the questions in Part 1 and give your answers.
Activity 1: Lead in
Watch a video and answer the following questions.
Now, let’s watch a video together and answer the questions on the learning sheet.
How many kinds of milk are mentioned
Can you guess the meaning of “pasteurized”
Well done! Today we will know about a kind of milk—
pasteurized milk.
点击图片播放视频
Activity 2: Read and answer
Read the passage quickly and answer the questions in Part 2.
Activity 2: Read and answer
Read the passage quickly and answer the questions in Part 2.
A cording to the passage, what does the word “PASTEURIZED” mean
B How did people know their milk needed to be heated
C How did Louis Pasteur’s work make the world safer
It means milk is heated to a certain temperature (72℃ for 15s) to kill dangerous bacteria.
Because people used to get sick (even die) from bad bacteria in raw milk.
His pasteurization process killed harmful germs in food/drinks, saving millions of lives.
Read the passage again and complete the paragraph with the correct forms of the words in Part 3.
Activity 3: Read and fill
got
solve
invented
heated
were killed
Read the passage in Part 2 in roles.
Activity 4: Read and complete
OK, let’s read the passage in Part 2 in roles, and complete the mind map. Pay attention to the important sentences.
Read the passage in Part 2 in roles and complete the mind map below.
Activity 4: Read and complete
Raw
dangerous
sick
died
heating
72
15
French
greatest scientists
saved
Activity 5: Retell
Retell the passage in your own words. Use the following questions as guidance.
What does “PASTEURIZED” mean
Why do people heat milk
How did people cover that
Who discovered the heating process
What do you think of Mr Pasteur
Activity 6: Discuss,write and show
Work in pairs. Discuss the questions in Part 4 and take notes.
Activity 6: Discuss,write and show
Write a passage to introduce an invention.
We talked about the useful invention. It’s time to write a passage according to your discussion. You can use the following sentence patterns.
Hints:
My favourite invention is...
...invented it in...
It helps...to...
Activity 6: Discuss,write and show
Share their writings and vote for the best group according to the evaluation form on the
learning sheet.
1. Finish the self-check on the learning sheet. (Required)
2. Polish your passage and present it in class. (Required)
3. Search on the internet to collect more information about Louis Pasteur. (Optional)
Homework

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