资源简介 (共23张PPT)ProblemSome people in wheelchairs cannot get public phones.SolutionThere is a phone arm.What invention is it ProblemThere are some leaves onthe street.SolutionThere is a leaf collector.What invention is it ProblemNo one will water the plantsduring the holiday.What invention is it SolutionThere is a watering bottle.They are inventions in our lives.They help our lives.Lead-inWhat's this umbrellaHow does it help us It helps us to keep off the rain or the sun.(遮挡)Read and answerWhat's Lingling doing She is going out.Why does Grandpa ask Lingling to take the umbrella It's raining outside.Watch and answerWho first got the idea of making an umbrella Watch and answerWho first got the idea of making an umbrella No one knows for sure.But stories say it was .Lu BanRead and answerWhy did Lu Ban make an umbrella Lu Ban was on the way home,it rained.He wanted to make a thing to keep off the rain.Read and answerHow did Lu Ban get the idea of making an umbrella He saw a boy with a big leaf over his head.Read and answerHow did Lu Ban make an umbrella 1He used bamboo to make some sticks.1Read and answerHow did Lu Ban make an umbrella 2He cut some cloth.布料2Read and answerHow did Lu Ban make an umbrella 3He cut the cloth over the sticks.3Let's retellHow did Lu Ban make an umbrella 1He used bamboo to make some sticks.2He cut some cloth.3He cut the clothover the sticks.It was the first umbrella!Read and answerHe had great ideas and clever hands!What does Lingling think of Lu Ban Thanks to him, she can use an umbrella today.Thanks to sb(幸亏有某人)Good to knowWhat do you think of Lu Ban Do you know about him Watch and followRead again and answer1.What did Lu Ban see on his way home 2.What did he use to make the sticks of the umbrella 3.How did he make the umbrella 4.What do people need to make great inventions He saw a boy with a big leaf over his head tokeep off the rain.He used bamboo to make the sticks of the umbrella.First,he used bamboo to make the sticks.Next,he cut some cloth.Then,he put the cloth over the sticks.People need to observe carefully,keep thinking and trying.Look and thinkWhat's this fanHow to make a fan Look and write1234细绳粘贴折叠Look and write1234find sticksmake holes and put a string indraw and cut the paperglue and fold the paper 展开更多...... 收起↑ 资源列表 cloth.mp3 fan.mp3 fold.mp3 glue.mp3 string.mp3 U4 Speed up.pptx