Unit 4 The Wonders of Nature Section B (3a-Project) 课件(共24张PPT,含内嵌视频) 2025-2026学年人教版(2024)八年级下册

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Unit 4 The Wonders of Nature Section B (3a-Project) 课件(共24张PPT,含内嵌视频) 2025-2026学年人教版(2024)八年级下册

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(共24张PPT)
Section B (3a~Project)
The Wonders of Nature
Unit 4
Learning aims
能写一篇介绍青海湖的短文
通过阅读,厘清文章结构,了解大堡礁
能设计一份介绍自然景观的海报
Lead in
What do you know about the Great Barrier Reef
Activity 1
Know how to introduce a place by reading
It wants to make us feel excited and interested so that you will visit the Great Barrier Reef.
This is the main purpose of a good advertisement!
1 What is this text trying to make you feel or do
Read the advertisement. Circle the numbers and underline the adjectives and adverbs used to describe the Great Barrier Reef.
1.What first catches your eye when you read an advertisement
An eye-catching title
What information does this title include
What
Imagination
= A Perfect Invitation
3.What other words in the ad make you feel tempted and have an urge to buy what they sell.
2.How does this ad start and why
By asking you some questions.
It’s a good way to arouse the interest of the readers.
adj+adv+numbers
4a
Where the Great Barrier Reef is, how big it is, and why it is so special
3.What does the second paragraph try to tell us
The reef's lively ecosystem, and fun activities
4.What does the third paragraph try to tell us
It ends with an emotional call: the dream of a lifetime.
5.How does the ad end the text
2.Why are Numbers Important
A. The Great Barrier Reef is very big and has many islands.
B. The Great Barrier Reef is 345,000 km and has over 900 islands.
Read the two sentences.Which sentence is more convincing Why
1.Why are adjectives and adverbs, especially superlatives, important in an ad
It can make the ad more vivid and interestingand make people feel the thing is great and attractive.
Numbers are specific and more persuasive
Further thinking
What
Where
Special fact
Things to do
How to write an ad about a natural place
(What this ad is about)
Where this place is
Why it is special
What visitors can do there
An eye-catching title
Read for structure
一、词汇使用
amazing, biggest, largest, clear, colourful, white
→ 增强描述的画面感与感染力。
二、动词搭配多样
visit, swim, dive, snorkel, see
→ 具体活动动词,激发读者行动欲。
三、专业与地理词汇
coral reef, islands, beaches, structure, turtles, sharks
→ 体现主题专业性,增加可信度。
四、数量表达准确
345,000 square kilometres, over 900 islands
→ 使用具体数字增强说服力。
How to write an ad about a natural place
Activity 2
Write a passage to introduce a Qinghai Lake.
3b
Read a student’ s notes on Qinghai Lake. Rewrite them in full sentences.
Qinghai Lake
What: a salt lake
Where: Qinghai Province, China
Special fact: the largest lake in China (4,340 km )
Things to do: photograph wildlife (fish and birds), visit islands, ride a bike or horse
1. Qinghai Lake is a _____________ in ______________________.
2. Qinghai Lake is ________________ in China.
3. It is _____________________ in size.
4. If you visit Qinghai Lake, you can ________________________________
________________________________________.
salt lake
Qinghai Province, China
the largest lake
4,340 square kilometres
photograph wildlife like fish and birds,
visit islands, and ride a bike or horse
Write an advertisement for Qinghai Lake or another natural wonder. Describe it and explain why people should visit it. Try to make your advertisement as persuasive as possible.
Writing guidance
Paragraph One
Qinghai Lake A Jewel of the Tibetan Plateau
Paragraph Two
WHERE
WHAT
Special fact
Paragraph Three
fun things to do
An eye-catching title and subtitle
3c
Paragraph One (Opening Hook:try to arouse the interest of the readers)
Paragraph Two
Writing guidance
WHAT
Qinghai Lake A Jewel of the Tibetan Plateau
Do you love unique wildlife
Do you want to visit one of the natural wonders?
If so, visit Qinghai Lake!
①提问式
②对比吸引式
Tired of busy cities Come to Qinghai Lake for peace and beauty!
WHERE
Special fact
Located in Qinghai Province, China
Qinghai Lake is one of the most beautiful places to visit.
It is the largest salt lake in China.
It covers an area of 4,340 square kilometres.
注意形容词数字的使用
More info about Qinghai Lake:
Size & Status:
It is the largest inland saltwater lake in China, covering an area of about 4,625 square kilometres.
Altitude: It sits at an altitude of 3,196 metres on the Qinghai-Tibet Plateau, making it a high-altitude wonder.
Paragraph Three
Writing guidance
Special fact
fun things to do
Qinghai Lake is also a Kingdom of wildlife!
Here, you can photograph wildlife and ride a horse, and see rare birds and blooming flowers.
More info
Wildlife: Known as the "Kingdom of Birds", it is a key stop for migratory birds. Over 288 bird species, including rare black-necked cranes, visit here. It is also home to the unique Qinghai Lake naked carp.
Ecology: It is called the "Gene Bank of the Qinghai-Tibet Plateau" and acts as a natural barrier to stop desert expansion in western China.
Islands: There are five main islands in the lake, with Bird Island being the most famous for its massive bird colonies.
Calling for action
For people who love nature, visiting Qinghai Lake is the dream of a lifetime!
Qinghai Lake A Jewel of the Tibetan Plateau
Sample
Qinghai Lake: A Beautiful Lake on the Plateau
Do you love quiet places Do you want to see one of China's most beautiful lakes If so, come visit Qinghai Lake!
Located in Qinghai Province, China, Qinghai Lake is one of the most wonderful places to visit. Moreover, it is the biggest salt lake in China, covering more than 4,300 square kilometres.
Qinghai Lake is not only a pretty lake but also a great home for birds and fish. Here, you can take photos of rare birds, ride a horse by the lake, and visit the famous Bird Island. The view is such a nice sight that you will want to stay forever.
For people who love nature, visiting Qinghai Lake is the trip of a lifetime!
Activity 3
Design a poster about a natural wonder
4a
Work in a group. Choose a natural wonder (a river, lake, mountain, forest, waterfall, etc.). Then do some research and make notes.
·name
·location and size
·plants and animals
·special facts
Name
Location and size
Plants and animals
Special facts
Victoria Falls
on the border of Zambia and Zimbabwe,
about 1.7 kilometres wide and 108 metres high
many animals like elephants, hippos and birds live nearby
one of the world’s largest falls, a UNESCO World Heritage Site
Sample
Make a poster about the natural wonder you chose. Refer to the example on the right.
4b
The world’s largest sheet of falling water
1708 metres wide, 108 metres high
On the border between Zambia and Zinbabwe
locally known as “Mosi-oa-Tunya” (“The Smoke That Thunders”)
a UNESCO World Heritage Site with rich wildlife like elephants, hippos and over 400 bird species
Victoria Falls
Sample
As a group, give a report to the class. Pay attention to the use of large numbers, comparatives, and superlatives.
The Amazon Rainforest is the world’s biggest rainforest. It covers 5.5 million square kilometres. You can see most of it in three countries, Brazil, Peru, and Colombia ...
4c
Victoria Falls is one of the world’s greatest natural wonders. It is 1.7 kilometres wide and 108 metres high, lying on the border between Zambia and Zimbabwe.
Locally, people call it “Mosi-oa-Tunya” — which means “The Smoke That Thunders”. This is because the falling water makes a loud, thunderous sound and creates thick mist that looks like smoke rising into the air. It is the world’s largest curtain of falling water and has also been named a UNESCO World Heritage Site.
Sample
Reflecting
1.What new facts about natural wonders have you learnt
2.Can you make comparisons when talking about natural wonders
3.Can you use large numbers to give some geography facts
4.Can you explain how and why people connect with nature
5.What are some achievements that people have made while exploring nature
Nature makes us wonder. That is why it is wonderful.
Summary
What
Where
Special fact
Things to do
How to write an ad about a natural place
(What this ad is about)
Where this place is
Why it is special
What visitors can do there
Exercise
根据汉语提示填写单词
1. We need to write a ________(报告)about the protection of local natural wonders for the project.
2. The students designed a ________(海报)to call on people to protect the nearby forest.
3. It’s our duty to ________(传播)the idea of protecting natural wonders to more people.
4. The ________(调查)shows that most tourists support sustainable travel in national parks.
5. She gave a ________(演讲)about marine protection at the school environmental festival.
report
poster
spread
survey
speech
Homework
1. Introduce a place in your hometown.
2. Recite the key words and sentences of this lesson.

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