六年级上册英语课件－UNIT THREE HOW DID YOU GO TO HANGZHOU Lesson 11 4｜北京课改版(共18张PPT)

UNIT THREE HOW DID YOU GO TO HANGZHOU Lesson 11 It is a tool of communication; It is convenient to take along with you; You can hear a person’s voice when using it. You can call up sb now and then; mobile phone Invention It’s always equipped in high buildings; Lifte or Elevator People can go up and down in it instead of climbing steps . It looks like a small room; v v v Invention It is one of the four great inventions in ancient china. It is black. People can use it to make bombs. powder Invention It is a means of transportation. It has four wheels. People can drive it on land. car Why are they clever? Issac Newton 艾萨克·牛顿 gravity discovered Ben Franklin Lightning is electricity discovered Why are they clever? radium Madame Curie 玛丽亚·斯克沃多夫斯卡-居里 discovered Why are they clever? who do you think this man is? Cai Lun ↓ papermaking Thomas Edison ________the electric bulb invented A discovery is______________ ________________________________ ______. already existing in