Unit 7 第2课时 Explore（教学课件）英语沪教版四年级下册（新教材）

party. door. Ice cream. hungry. heat. Unit 7 沪教版小学英语四年级下册（三起） How do things change? Explore Teaching objectives 能听懂、认读核心单词和短语，理解其在语境中的含义。 能读懂课文对话，理清故事脉络，理解因果关系（Cause and Effect）。 能理解制作冰淇淋的步骤和原理。 能模仿课文语音语调，分角色朗读对话。 能运用核心句型描述制作冰淇淋/食物的简单步骤。 能完成因果关系匹配练习，并用简单英语表达原因和结果。 能结合生活经验，用英语设计并描述制作一种简单食物/饮品（如果汁、汤）的步骤。能小组合作创编新对话，讨论“如何让事物发生变化”（如融化、冷冻、混合）。 学习理解： 应用实践： 迁移创新： Teaching objectives freezer,ice cream,plastic bags,mix,mixture,freeze,shake,add,make ice cream,put...in... Let's get the ice cream. Shall we make some more? Mix the sugar and cream. 核心单词短语： 核心句子： Lead-in Presentation Practice Summary Homework Contents Lead-in 看图片猜单词 freezer ice cream door Presentation Word n.水蒸气 例句： Hot steam comes out of the kettle. 热蒸气从水壶里冒出来。 steam [stiːm] 短语：hot steam 热蒸气 Word v.加热 例句： Please heat the milk for me. 请帮我把牛奶加热一下。 heat [hiːt] 短语：heat the milk 加热牛奶 Word adj.饥饿的 例句： I feel hungry after running. 跑完步我感到饿了。 hungry [ˈhʌŋɡrɪ] 短语：feel hungry 感到饿 Word n.聚会；派对 例句： We will have a party this weekend. 我们这周末要举办一场派对。 party [ˈpɑːtɪ] 短语：have a party 举办派对 Word n.冰激凌 例句： I like to eat ice cream in summer. 我喜欢在夏天吃冰淇淋。 ice cream 短语：eat ice cream 吃冰淇淋 Word n.冰柜；冷柜 例句： Put the meat in the freezer. 把肉放进冰柜里。 freezer [ˈfriːzə] 短语：a big freezer 一个大冰柜 Word n.门 例句： Can you close the door? 你能把门关上吗？ door [dɔː] 短语：close the door 关门 Get ready Look,there are six people~ What are they talking about? Explore Explore 短语：学校派对 短语：在冰柜里 Explore 短语：不要担心 短语：大的和小的 短语：来教室 Explore 混合 混合物 Explore 短语：加入巧克力 短语：好主意 冰淇淋 Explore Read and match. Read again and talk. Listen and chant. Listen，think and talk. Practice 知识点 情态动词shall的用法（表提议/征求意见） 回答时常用Sure! / OK! / Great! / No, let’s...等，语气轻松自然。该句型区别于let’s（直接提议），更侧重“询问对方意愿”，是日常交际中邀请、提议的核心表达。 shall用于第一人称（I/We），在口语中常和we连用，构成“Shall we...?”句型，用于委婉、礼貌地向对方提出建议或征求意见，是四年级重点交际语法。 例句： Shall we make some ice cream? 我们做一些冰淇淋好吗？ Sure! 当然可以！ 情景应答（选出正确答语）。 1. —Shall we go to the park? —________________ 2. —Shall we eat some fruit? —________________ 3. —Shall we mix the sugar and salt? —________________ 4. —Shall we put the ice in the bag? —________________ OK. Let’s go. Great! No, let’s add sugar. Sure! 补全句子 1. Shall we ______ (make) some soup? 2. Shall we ______ (cut) the oranges first? 3. Shall we ______ (add) some chocolate? 4. Shall we ______ (wash) the chicken? make cut add wash 句型转换（将Let’s...改为Shall we...?） 1. Let’s make ice cream. ____________________________________________ 2. Let’s cut the tomatoes. ____________________________________________ 3. Let’s add some sugar. ____________________________________________ 4. Let’s put the mixture in the bag. ____________________________________________ Shall we make ice cream? Shall we cut the tomatoes? Shall we add some sugar? Shall we put the mixture in the bag? 知识点 祈使句（表指令/建议） 祈使句可以直接清晰地传递动作要求。祈使句的否定形式是在句首加  Don’t （如  Don’t mix salt and cream. ），四年级重点掌握肯定祈使句，用于描述生活中的操作流程。 祈使句以动词原形开头，用于表达命令、请求、建议或操作指令，句末常用感叹号，是本课描述制作步骤的核心语法。 例句： Mix the sugar and cream. 把糖和奶油混合。 判断正误（正确写T，错误写F） ( )1. Mixes the sugar and cream. ( )2. Put the mixture in a small bag. ( )3. Adds some chocolate. ( )4. Cut the tomatoes. F T F T 连词成句 1. mix, and, the, sugar, cream (.) →____________________________________________ 2. put, the, in, mixture, a, bag, small (.) → ____________________________________________ 3. add, some, sugar, to, the, juice (.) → ____________________________________________ 4. shake, the, bag, hard (!) → ____________________________________________ Mix the sugar and cream. Put the mixture in a small bag. Add some sugar to the juice. Shake the bag hard! Summary Summary Words & phrases freezer,ice cream,plastic bags,mix,mixture,freeze,shake,add,make ice cream,put...in... Sentences Let's get the ice cream. Summary Sentences Mix the sugar and cream. Shall we make some more? Then put the mixture in a small bag. Homework Homework 基础题：1. 抄写核心单词短语各5遍，核心句子各2遍。 2. 完成课文A部分Cause and Effect匹配题，并将答案写在横线上： 1 → ____ 2 → ____ 3 → ____ 3. 跟读课文录音3遍，尝试用自己的话复述制作冰淇淋的3个关键步骤。 Homework 提高题：1. 用所给核心句型造句（至少2句）： Shall we...? Let's... Then... 2. 看图补全对话（参考Look, think and talk部分）： A: I'm thirsty. Let's make some juice. B: Shall we ____________________ first? A: Sure! Then we can ____________________. 3. 用英语写出制作冰淇淋的完整步骤（不少于4句话）。 Homework 拓展题： 1. 小组合作（或独立完成）：设计一份简单的“自制食物/饮品”步骤说明书，用英语描述（如：make orange juice, make chicken soup, make a sandwich）。 2. 思考并回答：How can you make things change? 用英语写出至少2种方法（如：We can freeze water to make ice.）。 3. 创编一段新对话：假设你的班级要举办派对，需要准备一种食物，和同伴用英语讨论“如何制作它”，要求包含至少3个核心句型。 Thanks for Your Listening! null Blues 405896.28 $freezer. Page sixty one, unit seven, how do things change? Page sixty two, get ready. A listen, then point and say. one, water is a liquid. We drink water every day. Two, ice is a solid, is cold and hard. Three, can you hold gas? No, I can't. Four, put some sugar in the milk. IT tastes sweet. Five, add some salt to the . soup. Six, there's some cream. Seven, ice . cream notes quickly on a hot day. Page sixty four, explore, let's make ice cream one. Today is our school party. Let's get the ice cream. It's in the freezer. Oh. no, the freezer door . is open. Look at the ice cream now. There's no ice cream for the party too. Shall we make some . more sure? But . don't worry, I can . teach you . great. okay? Kids get some big and small plastic bags, then come to the classroom. Page sixty five . three. I have ice. I have cream, sugar and salt. What shall we do? Mix the sugar and cream, then put the mixture in a small bag. Come. let's add some chocolate. good. Look, i'm putting . salt and ice in the big bag. I'm putting the small bag in IT too. No, shake, shake. shake. The eyes is freezing . mixture. Look, we have ice cream for. How's . the ice cream? kids? Can we have some . more F, R for . freezer? Page sixty seven. See, listen and chance. Let's make chicken soup. Today is our family day. Let's make some food. How about some soup? Wash the pot, wash the chicken. Shall we wash some two? Put the . chicken in the pot at the carrot, then at some salt. Shall we have some? Sure, I can wait. The chicken soup tastes great. learn. Shall we wash some carrots? sure. Let's make some soup. okay. Page sixty eight, communicate a listen and number then say. we see these things every day. Can you guess? One, it's a solid IT melts when it's hot. We like eating IT on hot days. Two, this is a solid. When we make IT hot IT gets big. IT tastes good. Three. these are solid. Fire melts them into a liquid. They get shorter and shorter, for these are small solids. When we put gas in them, they get big. We can see them at parties. Page seventy extend what is our world made of. Everything in our world is a solid, liquid or gas. Ice and metal are solid. Water and milk are liquids. Air and steam are gases. But things change. The ice is a solid. Now it's melting, is changing into a liquid. The water is a liquid. Now it's freezing. It's changing into a solid. The water is a liquid. Now it's boiling. It's changing into a gas.