Unit 8 Natural disasters Understanding cultures教学设计 2025-2026学年冀教版英语八年级下册

Unit 8 Natural disasters 课题 Measures to prevent floods 课型 Understanding cultures I. Teaching Objectives 1. Language Objectives Master the pronunciation, spelling and usage of key words: gate, aim, flood, prevent, barrier, dam, control. Grasp important phrases and sentence patterns: take measures to prevent floods the aim of building... act as a barrier to hold back water protect...from floods Be able to read the text fluently, understand main ideas about flood prevention measures. 2. Ability Objectives Develop students’ listening, speaking, reading and writing skills about natural disasters. Enable students to describe different flood prevention projects in English. Train students to collect information and give simple suggestions on flood protection. 3. Emotional & Cultural Objectives Raise students’ awareness of disaster prevention and self-protection. Encourage students to care about nature and realize the importance of environmental protection. Let students know about famous flood-control projects around the world (The Three Gorges Dam, Thames Barrier). II. Key Points Vocabulary: gate, aim, prevent, barrier, dam Phrases & Sentences: take measures to do something The aim of...is to... protect...from... act as a barrier Understanding the main flood prevention measures mentioned in the text. III. Difficult Points Use the key words and phrases correctly in sentences and short paragraphs. Distinguish and use the phrases: prevent...from doing protect...from Express personal opinions on local flood prevention clearly and logically. IV. Detailed Teaching Procedures (45 mins) Step 1: Lead-in (5 mins) Show several pictures of serious floods: flooded houses, crops, roads. Ask: What disaster is this? (Flood) What damage can floods cause? (Damage to homes, crops; danger to lives) Free talk Have you ever experienced a flood? What do you think we can do to stop floods? Today we will learn Lesson 6: Measures to prevent floods Write the title on the blackboard. Step 2: Pre-reading—Vocabulary Study (10 mins) Teach key words one by one flood /fl d/ (n.) Meaning: a large amount of water covering an area Example: A heavy flood hit the town last year. prevent /pr vent/ (v.) Meaning: stop something bad from happening Phrase: prevent...from doing sth Example: Planting trees can prevent floods from happening. aim /e m/ (n.) Meaning: the purpose or goal of something Phrase: The aim of...is to... Example: The aim of the lesson is to learn flood prevention. dam /d m/ (n.) Meaning: a wall built across a river to hold back water Example: The Three Gorges Dam is very famous. barrier / b ri (r)/ (n.) Meaning: something that blocks or controls movement Phrase: act as a barrier Example: The dam acts as a barrier to hold back water. gate / e t/ (n.) Meaning: a door or barrier in a fence or wall Example: The Thames Barrier has huge metal gates. control /k n tr l/ (v./n.) Meaning: make something work in the way you want Example: Dams help control the water flow. Activity: Quick Match Match words with meanings. Read and spell words together. Step 3: While-reading (15 mins) Fast Reading (3 mins) Task: Read the text quickly and answer: What is the text mainly about?(Measures to prevent floods) Name two famous flood-control projects. (The Three Gorges Dam; The Thames Barrier) Check answers with the class. Careful Reading (10 mins) Paragraph 1 Read together. Q: Why do we need to prevent floods? A: Floods damage homes and crops, and threaten lives. Paragraph 2—The Three Gorges Dam Read silently. Fill in blanks: The dam is on the (Changjiang River) It helps water flow during heavy rains. (control) It acts as a to hold back water. (barrier) The aim is to nearby areas. (protect) Paragraph 3—The Thames Barrier Listen to the audio. Q: Where is it? (On the River Thames, UK) Q: What does it have? (Huge gates) Q: What’s its function? (Prevent floods in London) Step 4: Post-reading—Practice (10 mins) Fill in the blanks (key words) gate, aim, prevent, dam, barrier, control 1.The of this project is to protect the city. 2.The Thames Barrier has huge metal . 3.We should pollution from harming our earth. 4.A is built across the river to hold back water. 5.Trees can also act as a against floods. Check answers. Give 2 minutes to make sentences with: take measures to... The aim of...is to... protect...from... Step 5: Summary & Homework (5 mins) Summary Today we learned: Words: gate, aim, flood, prevent, barrier, dam, control Phrases: take measures to, the aim of, protect...from, act as a barrier Two projects: Three Gorges Dam, Thames Barrier We know floods are dangerous, so we must take measures to prevent them. Homework Copy 4 times: key words and phrases (with Chinese meaning). Recite the key sentences. Writing: Write a short passage (5–6 sentences): Title: Measures to prevent floods in my hometown Use: gate, aim, prevent, protect...from Optional: Find one more flood-control project online and introduce it in 2 sentences. 板书设计 Lesson6: Measures to prevent floods Words: flood n. 洪水prevent v. 阻止;预防prevent...from doing aim n. 目标;目的The aim of...is to... dam n. 大坝 barrier n. 屏障act as a barrier control v./n. 控制 Sentences: We should take measures to prevent floods. The aim of the dam is to protect the area. The dam acts as a barrier to hold back water. 学科网(北京)股份有限公司 学科网(北京)股份有限公司 $