科普版四年级下册Lesson 5What are these -ppt课件-(含教案)-公开课-(编号：2025a).zip

Part A Lets learn Unit 4 At the farm Brainstorming: (头脑风暴) Boys PK girls hot dog pear milk Cokehamburger juice apple banana Today, Mike, John and Sarah are at a farm(在农场）. Lets go and have a look,OK? Try to be a farm guider. Fight to the endFight to the end 让我们一起闯关，让我们一起闯关， 争当争当“ “优秀农场小向导优秀农场小向导” ” Task 1 猜一猜 说一说 Guess: Whats this? Its red, its round, but it isnt apple. tomato tomato. Whats this? Its a What are these? They are tomatoes. These are . mehe we (这些）this-these tomato es The tomatoes are big. They are red. They are potatoes.What are these? Whats this?Its a . potato Look at the potatoes. They are_. brown big The potatoes are_. What are these? They are_.potatoes Game: Whats this? It is long and orange. Rabbits like eating it. What is it? carrot /: carrot cat bag hat carrotcarrots Whats this? Its a . What are these? They are . They are_ .orange yumThe carrots are_. What are these? They are .green beans green beans /z/ They are_ . The green beans are_. green long onion.onions Whats this? Its an What are these? They are . mother brother They are_ .purple hot They make me cry. Vegetables are good for our health, we should eat some every day. Know more Task2 考眼力 火眼金睛 Play a game Vegetable down(蔬菜蹲，又称萝卜蹲 ) 游戏介绍：四个同学手持蔬菜卡片 ，记清楚自己所代表的蔬菜英文名 称。 老师站在他们身后，指着哪个同学 这个同学可以说tomato蹲， tomato 蹲完potato蹲等 task 3 交际小能手 Driving a train. （开火车） Look at the Look at the green beans. green beans. They are longThey are long Look at the Look at the potatoes. They potatoes. They are bigare big Describe them task 4 Chant小能手 task5 Talk show! Read the sentences in groups. （小组内读句子。） Look at the green beans.Theyre so long. Yes,and the potatoes are big. tomatoes green beans potatoes carrots What are these? They are. They are _. Pair work Word bank long short big small red purple brown hot orange long yum green 你们太棒了！ 颁发“优秀农 场小向导”证 ！ To Class 1, Grade 4： Welcome to my farm at 10:00. You are guiders, you can introduce the farm to the visitors. Mr MacDonald potato - potatoes tomato - tomatoes carrot - carrots onion - onions What can you find?(你能发现什么？） Tip:名词变复数的规则 规则变化 1）一般情况加-s book-books desk-desks 2)以s，x，ch,sh结尾加es bus-buses box-boxes watch-watches 3)以辅音字母+y结尾把y变i再加es。 city-cities family-families 4)以f或fe结尾把f 或fe变v加es. knife-knives leaf-leaves 5)有生命的以元音字母0结尾加-es. tomato-tomatoes potato-potatoes 无生命的加-s photo-photos Just do it Homework Introduce the farm （介绍农场 ） Vegetable: Describe them: What are these? They are _They are _ Trust me, I will be the best. 相信我，我会是最好的。 see you !see you ! Unit4 At the farm A lets learn 教学目标教学目标： 知识目标知识目标: : 1.能听、说、认、读单词： tomatoes，carrots，potatoes，green beans。 2.、能用形容词描述蔬菜的特点，并对蔬菜作出评价，如： Look at the green beans. Theyre so long! The potatoes are big. 能力目标：能力目标：能够听说认读句型和单词，并在情境中运用。 情感目标情感目标：培养学生口语表达能力和交际能力，培养学生热爱自然 的良好感情。 教学重点教学重点：单词 tomato， green bean, potato, carrot 及其复数形式。 教学难点：教学难点：these 的发音 tomato，potato 的复数形式。我 们需要掌握名词变复数的规律。只有把单词掌握好，那么 名词变复数的规律也就容易记住。能力的重点：能够听说 认读句型和单词，并在情境中运用。 教学环节教学环节 StepStep 1.Lead-in1.Lead-in（5minutes） 1 通过.Brainstorming, think about the food you know.来回顾已经学过的有关食物的单词引入新知学习有关 蔬菜的单词。 设计意图：以旧知引入新知，同时调动学生的学习兴 趣。 2.Today, Mike, John and Sarah are at a farm(在 农场）.Lets go and have a look,OK? Try to be the farm guider.If you finish these tasks,you can be the farm guider. StepStep 2.2. PresentationPresentation Fight to the end 让我们一起闯关，争当“农场小向导” (15minutes) Task 1 猜一猜 说一说 1.Guess: Whats this? Its red, its round, but it isnt apple. Whats this? Its a tomato. What are these? They are tomatoes. These are tomatoes. He we these this- these They are red.The tomatoes are big. 2.Whats this? Its a potato. What are these? They are potatoes. Look at the potatoes. They are_.The potatoes are_. What are these? They are_. 3.It is long and orange. Rabbits like eating it. What is it? carrot cat bag hat Whats this? Its a carrot. What are these? They are carrots 4. What are these? They are green beans. cucumbers sisters brothers teachers They are so fresh. The green beans are so long. 5.Whats this? Its an onion.mother brother What are these? They are onions. They are red. They make me cry. 设计意图：通过 Task1 我们学习了单词以及单词的复数形 式，而且也对单词进行了操练。 StepStep 3.3. PracticePractice Task2 考眼力(5minutes) 1.Golden eyes 2.Lets play the game 蔬菜蹲游戏 设计意图：通过 Task2 我们用游戏激起学生的兴趣， 让他 们高效率的掌握所学内容。 Task 3(5mintes) 交际小能手 设计意图：通过用开火车的句子操练形式，操练了所学内 容 Describe them Task 4(5minutes) Chant 小能手 设计意图：让学生放松 StepStep 4.4. ConsolidationConsolidation Task 5（10minutes） 1.Talk show!分组读句子 2.Pair work What are these? They are. The _are _. 设计意图：巩固所学单词和句型。操练单词和句子，达 到语言综合运用的目标 StepStep 5.5. HomeworkHomework 介绍农场里的蔬菜 设计意图：巩固所学内容，达到语言综合运用的目标 StepStep 6.Summary6.Summary 设计意图：总结名词变复数的规则，总结这节课所学 内容。