Unit 4 第6课时 Section B 3a—4c-【七彩课堂】2025-2026学年八年级英语下册同步课件（人教版）

Section B 4a—4c Unit 4 The Wonders of Nature To design a poster about a natural wonder. To give a report. Objectives 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 4b Make a poster about the natural wonder you choose. Refer to the example on the right. 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 4c 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 6 million square kilometres. You can see most of it in three countries, Brazil, Peru, and Colombia … Nature makes us wonder. That is why it is wonderful. 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? New facts about natural wonders Mount Qomolangma is the highest mountain in the world The Sahara Desert is the biggest desert in the world The Dead Sea is the lowest place on erath The Mariana Trench has the deepest point in the ocean The Yangtze River is the longest river in China The Nile River is the longest river in the world Make comparisons Victoria Falls is wider than Niagara Falls, but Niagara Falls has a greater water flow rate The Amazon Rainforest is much larger than any other rainforest in the world Geography facts Lake Baikalcovers 31,500 square kilometres The Sahara Desert is about 9,000,000 square kilometres The Great Barrier Reef takes up an area of 345,000 square kilometres How and why people connect with nature People connect with nature by visiting natural wonders, hiking in forests, or protecting endangered species. They do this because nature provides beauty, resources, and a sense of peace. It also helps us understand our place in the world. Achievements that people have made while exploring People have mapped the world's oceans, discovered new species, and created national parks to protect natural areas. They have also developed renewable energy sources, like solar and wind power, to live more sustainably with nature. I. 判断正误。 Exercises （ ）1. The Yellow River is the longest river in china. （ ）2. The Taklimakan Desert is the biggest desert in the world. （ ）3. The Amazon Rainforest is the world’s biggest forest. F F T Find some big numbers and read it. Share your poster with your family. Homework 伴你成长 感谢您的观看 $