Unit 4 Amazing Plants and Animals Section A Pronunciation 教学设计 - 2025-2026学年人教版（2024）八年级英语上册.

Unit 4 Amazing Plants and Animals Section A Pronunciation 教学设计 These phonemes are presented through theme-based word lists and short phrases (e.g., "a tall redwood tree", "fast cheetahs") to connect pronunciation practice to real vocabulary from the unit. Second, the section addresses sentence stress—a key skill for conveying emphasis in descriptions of plants/animals. It uses example sentences like "I saw a giant blue whale yesterday" or "The lotus grows in quiet ponds" to show how stressing different words (e.g., "giant" vs. "blue whale") changes the focus (emphasizing size vs. the animal itself). Students learn to identify which words (content words: nouns, adjectives, verbs) to stress to highlight key information about plants/animals. Overall, the content integrates pronunciation practice with the unit’s theme, ensuring students apply skills to meaningful, context-rich language rather than isolated sounds. 教学目标 0. Recognize and master the correct pronunciation of 3 target diphthongs (/eɪ/, /aɪ/, /ɔɪ/) and 6 consonant clusters (/bl/, /kl/, /ɡl/, /br/, /kr/, /ɡr/). 0. Understand the rule of sentence stress: stress content words (nouns, adjectives, main verbs) to emphasize key information about plants/animals, and weaken function words (articles, prepositions). 0. Identify theme-related vocabulary containing the target phonemes (e.g., "cheetah" /ˈtʃiːtə(r)/ for /iː/ extension, "lotus" /ˈləʊtəs/ for /əʊ/; adjusted to align with target phonemes). 0. Develop awareness of how pronunciation (e.g., clear diphthongs, appropriate stress) improves communication when talking about the natural world, fostering interest in sharing knowledge about plants/animals. 教学重难点 0. Accurate pronunciation of target diphthongs: 5. /eɪ/: Mouth opens wide, moves from /e/ to /ɪ/ (e.g., "whale" /weɪl/). 5. /aɪ/: Starts with /a/, glides to /ɪ/ (e.g., "lion" /ˈlaɪən/). 5. /ɔɪ/: Begins with /ɔ/, shifts to /ɪ/ (e.g., "soybean" /ˈsɔɪbiːn/). 0. Correct articulation of consonant clusters: Avoid omitting sounds (e.g., /bl/ in "blue" /bluː/, not /buː/; /gr/ in "grass" /ɡrɑːs/, not /ɡɑːs/). 0. Applying sentence stress to theme-related sentences: Stressing key descriptive words (e.g., "tall", "fast", "ancient") when talking about plants/animals. 0. Mastering the "glide" in diphthongs: Students may shorten diphthongs to single vowels (e.g., /eɪ/ → /e/ in "whale", making it sound like "well"). 0. Articulating consonant clusters smoothly: Beginners may "split" clusters (e.g., /bl/ → /bəl/ in "blue") or drop one sound (e.g., /kr/ → /k/ in "crocodile"). 0. Using sentence stress flexibly: Students may stress function words (e.g., "the", "in") or over-stress all words, leading to unclear emphasis (e.g., "I SAW A BIG ELEPHANT" instead of "I saw a BIG elephant"). Target Phonemes & Theme-Related Examples Phoneme Type Phoneme Theme-Related Words Phonetic Transcription Diphthong /eɪ/ whale, rainforest, bamboo (extended) /weɪl/, /ˈreɪnfɒrɪst/, /ˌbæmˈbuː/ /aɪ/ lion, pine, bamboo shoot /ˈlaɪən/, /paɪn/, /ˌbæmˈbuː ʃuːt/ /ɔɪ/ soybean, oil palm, oyster mushroom /ˈsɔɪbiːn/, /ˈɔɪl pɑːm/, /ˈɔɪstə ˈmʌʃrʊm/ Consonant Cluster /bl/ blue whale, blossom, bamboo leaf /bluː weɪl/, /ˈblɒsəm/, /ˌbæmˈbuː liːf/ /kl/ coconut, claw, cactus leaf /ˈkəʊkənʌt/, /klɔː/, /ˈkæktəs liːf/ /ɡl/ gladiolus, green grass, ginkgo leaf /ˌɡlædiˈəʊləs/, /ɡriːn ɡrɑːs/, /ˈɡɪŋkɡəʊ liːf/ /br/ bamboo root, branch, bromeliad /ˌbæmˈbuː ruːt/, /brɑːntʃ/, /ˌbrəʊˈmiːliæd/ /kr/ crocodile, cactus, crab apple /ˈkrɒkədaɪl/, /ˈkæktəs/, /kræb ˈæpl/ /ɡr/ grass, grapevine, ginkgo /ɡrɑːs/, /ˈɡreɪpvaɪn/, /ˈɡɪŋkɡəʊ/ Sentence Stress Rules & Examples Rule Explanation Theme-Related Sentence Stressed Words (Bold) Stress Content Words Nouns, adjectives, main verbs carry meaning; function words (articles, prepositions) are weakened. The redwood is the tallest tree in the forest. redwood, tallest Stress to Emphasize Size/Feature Stress adjectives describing size, speed, age. A giant panda eats bamboo shoots. giant, bamboo Stress to Highlight Action Stress main verbs for actions related to plants/animals. The butterfly flies from flower to flower. flies Avoid Stress on Function Words Weakening words like "the", "in", "on" keeps focus on key info. We saw a cheetah in the savanna. saw, cheetah, savanna (weaken "in") 教学过程 1. Warming-up & Lead-in (5 minutes) 0. Start with a "Guess the Plant/Animal by Sound" game. Prepare audio clips of theme-related sounds: a whale’s call, a bird’s chirp, bamboo leaves rustling, or a cheetah’s purr. Play each clip for 10 seconds, and ask students to raise their hands to guess what plant/animal it is. 0. After guessing, write the corresponding English words on the blackboard (e.g., "whale", "bamboo", "cheetah") and read them aloud. Emphasize the tricky sounds (e.g., /eɪ/ in "whale", /bl/ in "bamboo"). Say: "Today we’ll learn to pronounce these sounds clearly, so we can talk about amazing plants and animals better!" 0. Purpose: Connect pronunciation to the unit theme, activate prior knowledge of plants/animals, and arouse interest. 1. Phoneme Learning: Diphthongs & Consonant Clusters (15 minutes) 0. Step 1: Teach Diphthongs (/eɪ/, /aɪ/, /ɔɪ/) (7 minutes) Use a PPT to present each diphthong with: Pronounce each word slowly, exaggerating the glide. Ask students to mirror your mouth shape and repeat. Use a "Choral Reading" technique: first read together, then read individually (call on 2-3 students to check accuracy). 4. Mouth-shape diagrams: Show how to glide from the first vowel to the second (e.g., /eɪ/: start with wide mouth like saying "eh", then narrow to "ee"). 4. Theme-related examples: 2. /eɪ/: "whale" /weɪl/, "rainforest" /ˈreɪnfɒrɪst/, "blossom" /ˈblɒsəm/ (extended to theme). 2. /aɪ/: "lion" /ˈlaɪən/, "pine tree" /paɪn triː/, "bamboo shoot" /ˌbæmˈbuː ʃuːt/. 2. /ɔɪ/: "soybean" /ˈsɔɪbiːn/, "oil palm" /ˈɔɪl pɑːm/, "oyster mushroom" /ˈɔɪstə ˈmʌʃrʊm/. 0. Step 2: Teach Consonant Clusters (/bl/, /kl/, /ɡl/, /br/, /kr/, /ɡr/) (8 minutes) Use realia or pictures to make clusters concrete: Create a "Cluster Match" activity: Write clusters on one side of flashcards and theme words on the other (e.g., /gr/ ↔ "grass", /br/ ↔ "branch"). Students work in pairs to match them, then read the word aloud. Walk around to correct mistakes (e.g., if a student says /ɡɑːs/ for "grass", model /ɡrɑːs/ and ask them to touch their tongue to the roof of their mouth for /r/). 5. Hold up a blue pen and say "blue" /bluː/, emphasizing /bl/ (don’t split into /b/ + /luː/). 5. Show a picture of a coconut and say "coconut" /ˈkəʊkənʌt/, highlighting /kəʊ/ + /k/ (link smoothly). 1. Sentence Stress Practice (12 minutes) 0. Step 1: Introduce Stress Rules (3 minutes) Write two sentences on the blackboard: Play a short audio clip of these sentences (or read them with different stress). Ask students: "What’s the difference?" Explain: We stress content words (nouns, adjectives, verbs) to show key info, and weaken function words (a, the, in). 1. "I saw a big whale." (stress "big" = focus on size) 1. "I saw a big whale." (stress "whale" = focus on the animal) 0. Step 2: "Stress the Key Word" Activity (5 minutes) Distribute worksheets with theme-related sentences. Students underline the word they think should be stressed based on the prompt: After 3 minutes, check answers as a class. Invite students to read the sentences aloud with the correct stress. 7. Example 1: Sentence: "The lotus grows in ponds." Prompt: "Emphasize where it grows." (Answer: "ponds") 7. Example 2: Sentence: "Ginkgo trees live a long time." Prompt: "Emphasize how long they live." (Answer: "long") 0. Step 3: Role-Play "Animal Guide" (4 minutes) Divide students into pairs. One is a "tour guide" describing a plant/animal; the other is a "tourist". The guide must use stress to highlight key facts (e.g., "This redwood is the tallest tree in the park!"). The tourist asks: "What’s amazing about it?" The guide repeats the stressed word to confirm. Example dialogue: 8. Guide: "This cheetah runs the fastest!" 8. Tourist: "What’s amazing about it?" 8. Guide: "It runs the fastest!" 1. Integrated Practice: "Pronunciation Charades" (8 minutes) 0. Prepare cards with theme phrases containing target phonemes and stress (e.g., "a bright sunflower" /braɪt ˈsʌnflaʊə(r)/, "green grass grows" /ɡriːn ɡrɑːs ɡrəʊz/). 0. One student picks a card, says the phrase aloud (with correct phonemes and stress), and acts it out (e.g., for "bright sunflower", hold up a hand like a flower and smile). The class guesses the phrase. 0. Award a "Best Pronunciation" sticker to students who use clear diphthongs/clusters and correct stress. 0. Purpose: Combine phonemes and stress in a fun, communicative activity; reinforce theme vocabulary. 1. Summary & Homework (5 minutes) 0. Summary (2 minutes): Use a "Quick Quiz" to review: 13. "What diphthong is in ‘whale’?" (/eɪ/) 13. "Which word do we stress in ‘The bamboo is useful’ to show it’s useful?" ("useful") 13. Homework (3 minutes): 1. Record yourself reading 5 theme words (e.g., whale, bamboo, grass, lion, soybean) and 2 sentences (e.g., "The grass grows fast." "Lions are strong."). Listen to the recording and check if your diphthongs/clusters are clear and stress is correct. 1. Draw a picture of your favorite plant/animal, label it with the English word, and write 1 sentence about it (with the stressed word underlined). Bring it to the next class to share. 学科网（北京）股份有限公司 $$