Unit 7 How do things change？（交互式复习课件）英语沪教版四年级下册（新教材）

该小学英语课件系统梳理了Unit 7“物质状态与日常变化”的核心知识，涵盖固体、液体、气体三种状态，变化动词（melt, freeze等），不可数名词用法及“Shall we...?”“Let's...”句型，通过制作冰淇淋等生活场景串联词汇、语法与实践，构建完整知识网络。 其亮点在于融合语言能力与思维品质培养，设计角色扮演（厨房做水果沙拉）、写作练习（描述物质变化）及词汇匹配游戏，分层练习如基础填空与挑战问题（冰淇淋状态变化）满足个性化需求，助力学生巩固知识并提升语言运用与逻辑推理能力，为教师提供精准复习支持。

必单词排排序 ☆☆☆闵 第1/3组 0112 。他妈妈烧了一些水，给他做了些柠檬茶。 第1句1共4句 3 some him tea. and heats water His makes some 10 mother lemon ☑检查 勾重排 b点击两个单词交换位置必词汇连连看 English abc gas solid sugar abc liquid 点击左边的英语，再点击右边对应的中文吧！ ★★★文 第1/10组 0139 束中文 固体 食糖 液体 气体 GAS LIQUID SOLID Exploring States of Matter and Everyday Changes Unit 7 How Do Things Change? 沪教版·四年级下册 1 04 Tips & Practice 03 Sentences 02 Words & Phrases WORD 01 Sounds & Letters 2 /fr/ 冰柜 前面 eezer fr ont fr 结冰；冻住 水果 eeze fr uit fr 朋友 青蛙 iend fr og fr 来自 空闲的 om fr 5 PM ee fr 发音：/fr/ fr 字母组合 Sounds & Letters 3 不可数名词： 无复数， 不加a/an ice冰 steam水蒸气 气体 gas salt盐 sugar食糖 water水 solid 固体 liquid 液体 Common Substances 常见物质 Common Substances 常见物质 States of Matter 物质状态 Words & Phrases – Core Vocabulary (States of Matter) 4 (使)混合 mix 切 cut 加热 heat 放 put 添加 add 结冰；冻住 freeze (使)熔化； 融化 melt 摇动 shake Words & Phrases – Kitchen & Change Verbs 5 door门，party聚会；派对 lemon tea 柠檬茶，tomato and egg soup 西红柿鸡蛋汤 plastic bag 塑料袋，mixture 混合物 cream 奶油，chocolate 巧克力 6 Game time ice cream freezer & make in the Step 4: Step 1: put in sugar and cream mix the Step 2: some chocolate Step 3: add "good idea" "don't worry" Key Phrases 8 Game time Exploring States of Matter and Everyday Changes the oranges. 制作一些汤。 /切橙子。 Cut some soup./ Make the chicken. 洗锅。 洗鸡肉。 Wash the pot. Wash some juice. 我渴了。我们来做些果汁吧。 make I'm thirsty. Let's 他妈妈烧了一些水，给他做了些柠檬茶。 some lemon tea. him makes some water and Heats 10 The ice is freezing the mixture! 冰正在把混合物冻起来！ 我正在往大袋子里放盐和冰。 I'm putting salt and ice in the big bag. The freezer door is open. 冰柜门是开着的。 我们去拿冰淇淋吧。它在冰柜里。 Let's get the ice cream. It's in the freezer. Sentences Ice Cream Making Process 11 太棒了！我们能再要一些吗？ -It's great! Can we have some more? 一孩子们，冰淇淋怎么样？ -How's the ice cream, kids? I can teach you. 别担心！我可以教你们. Don't worry! 我们再做一些好吗？ Shall we make some more? Sentences -Invitations & Responses 我们再做一些好吗？ Shall we make some more? 12 它正在变成固体。 solid. a changing into It's 我们的世界由什么构成？ ? made of What is our world What do the students use to make ice cream？ 学生们用什么来做冰淇淋? Solid Liquid OH Mantle CH3 OH OH OH HO OH HO OH Gas 13 Game time Let's... Shall we...? study together. Let's Sorry+原因（委婉拒绝） 不说“Let we” Sure!/OK./Good idea！(赞同） Let后接宾格（us/them） 直接邀请，共同行动 用途： 礼貌提议，询问对方意愿 Let's+动词原形+... 结构： go for a walk? Shall we 注意： 回答： 用途： Shall we+动词原形+..? 结构： Mastering 'Shall we..?' and 'Let's...' Tips & Practice – Invitation Structures 15 There is no strawberry at home. (Sorry/Sure). -Shall we make a strawberry ice drink? 4. (Shall we/Let's) go! -Good idea! go to the art museum? (Shall we/Let's 3. wash some strawberries? (we/us) 2. Shall some vegetable soup for dinner. (make/makes) 1. Let's Focus on invitation structures! Practice – Choose the Correct Word make we Shall we Let’s Sorry 16 in/into the bag. in the book Put （代词必须在中间） the pot. in Put it put... 平等混合，无主次 Mix the sugar and cream. mix A and B ... with 强调主次混合 cream. with Mix sugar mix... to 把A加入B中 the soup. to salt adds She add... Tips & Practice – Verb + Preposition 17 the bin of recyclable waste. 5. Put plastic bottles the freezer. 4. Put the ice cream the bowl first. 3. Put some grapes something to make zongzi. 2. People mix rice my coffee? 1. Can you add a little sugar Practice – Fill in the Preposition to with in in in 18 heat boil ice freeze Key phrase: change into, e.g., The water is changing into ice. Sugar & salt: always solid (uncountable) Ice: heat → liquid (water) → boil → gas (steam) Water: liquid → freeze → solid (ice) Review -States of Matter in Daily Life 19 freeze shake, add, mix, put, Key verbs: ice cream! freezes mixture the big bag. small bag in a big bag with ice and salt. The the bag. sugar, and chocolate in a small bag. 5. Shake 4. the Put 3. Seal 2. cream, Put 1. Review - Making Ice Cream: Step by Step 20 some sugar a sugar 用量词: a cup of water, a bag of sugar 不加a/an 无复数形式 water, juice, air, steam, sugar, salt 不可数名词： a sugar salts some sugar a bag of salt Incorrect Correct Grammar Spotlight -Uncountable Nouns 21 bamboo. be made of :原材料可见 （原材料不可见，如 The paper is made from wood.） 对比：be made from 竹子做的吗？ 你能看出它是 这个盒子是由竹子做的。 made of The box is Grammar Spotlight – be made of 22 A: Shall we cut the oranges first? B: OK! Let's put them in the bowl. Example Good idea! Don't worry! put in, mix, add, cut Let's... Shall we...? Language Support Scenario: You and your friend want to make fruit salad. Speaking Practice-Role Play: In the Kitchen 23 Gas Liquid Solid (changes into...) Result (heat/freeze) Action (solid/liquid/gas) Start Cool Freeze Heat Heat changes into a liquid. and melts it, it heat When we Example: Ice is a solid. • heat / freeze/ melt • change into Use: • liquid/ solid / gas Write 3-5 sentences about how something changes. Writing Practice -Describe a Change 24 c. two or more things combined b. a machine that keeps things very cold a. a sweet frozen dessert ice cream mixture freezer Match each word to its picture and definition: Vocabulary Game – Match the Word 25 "put in the..." verb + preposition! Pay attention to Tip: It's changing into... "Let's..." vs "Shall we..." Listen for: Listening Focus-Key Phrases in Context 26 What is our world made of? Link to: are made of plastic. Plastic bottles Why? To reduce waste and protect our world! We put them in the recycling bin. Real-World Connection-Recycling & Materials 27 28 Shall we...?/Let's... Invitation: into nouns, be made of, change uncountable Grammar: science, recycling cooking, Real-life: heat, mix, put, add melt, freeze, Key verbs: Key Takeaways Summary – Unit 7 liquid, gas solid, Three states: 29 Next: Unit 8... Try making ice cream at home! Great job exploring how things change! Goodbye & Keep Exploring! 30 $null