人教版九年级全册Unit 6 When was it invented？ Section A 1a--1c 教案（共1课时，英文版）

人教版九年级英语 Unit 6 When was it invented Section A 1a-1c 教案 I. Teaching Objectives 1. Language Knowledge Objectives: Students will learn key vocabulary related to inventions: invent, invention, inventor, be invented by, be used for. Students will understand and use the passive voice in the simple past tense: was/were + past participle. Students will practice asking and answering questions about the history of inventions. 2. Language Skills Objectives: Students will improve their listening skills by identifying specific information in a conversation. Students will enhance their speaking skills by discussing inventions and their uses. Students will develop their ability to use the passive voice in context. 3. Emotional and Cultural Objectives: Students will develop an interest in the history of inventions and their impact on daily life. Students will appreciate the creativity and ingenuity of inventors. II. Teaching Key Points and Difficult Points 1. Key Points: Key vocabulary: invent, invention, inventor, be invented by, be used for. Grammar: Passive voice in the simple past tense (was/were + past participle). 2. Difficult Points: Correctly using the passive voice to describe when and by whom something was invented. Differentiating between active and passive voice in sentences. III. Teaching Methods 1. Task-Based Language Teaching (TBLT): Students will complete tasks such as matching inventions with their inventors and uses. 2. Communicative Language Teaching (CLT): Students will engage in pair work and group discussions to practice speaking. 3. Audio-Lingual Method: Students will listen to and repeat sentences to reinforce grammar and pronunciation. IV. Teaching Aids 1. Multimedia projector and PowerPoint slides. 2. Audio recordings for listening activities. 3. Flashcards with pictures of inventions and their inventors. 4. Worksheets for pair and group activities. V. Teaching Procedures Step 1: Warm-Up (5 minutes) Activity: Brainstorming Show pictures of common inventions (e.g., light bulb, telephone, computer) and ask students: What is this Who invented it When was it invented Write students’ answers on the board and introduce the topic of the lesson: When was it invented Step 2: Presentation (10 minutes) Activity 1: Vocabulary Introduction Teach key vocabulary: invent, invention, inventor, be invented by, be used for. Use flashcards and examples to explain the meanings and usage of each word. Example sentences: The telephone was invented by Alexander Graham Bell. The light bulb is used for lighting. Activity 2: Grammar Focus Introduce the passive voice in the simple past tense: was/were + past participle. Provide examples and explain the structure: The telephone was invented in 1876. The computers were invented in the 20th century. Highlight the difference between active and passive voice: Active: Alexander Graham Bell invented the telephone. Passive: The telephone was invented by Alexander Graham Bell. Step 3: Practice (15 minutes) Acti ... ...