Unit 3 Inventors and inventionsUnit 3 Inventors and inventionsWarming UpWarming UpDo you know any inventors and inventions?Guess what the invention is or who the inventor is. • It’s made of plastics and metal.• It looks like a small box with a screen and buttons on it.• With the invention you can contact someone while you are walking.402030What is it?What is it?Mobile phone Mobile phone • The inventor is from America.• He is one of the father of inventions.• The inventor invented the bulb.402030Who is he?Who is he?Edison Edison • This invention looks like a bird. • It’s made of metal. • It makes it possible for people to fly to different places in the world. • It is powered by an engine and is flown by a pilot. 30102040What is it?What is it?Airplane Airplane • This invention can help people in the street. • It looks like a tree standing beside the street. • It directs cars and trucks. • It uses colored lights. Red means stopping, green means going. Traffic lightsTraffic lights30102040What is it?What is it?• He was a world-famous inventor from Sweden. • Here is one of his photos. • He invented dynamite ( 炸药 ). • A famous prize was named after him. Who is he?Who is he?40203050Alfred NobelAlfred Nobel• The invention looks like a chair. • It has a pipe through which the waste can go. • People use it to remove waste material from their bodies. • It is usually made of china these years. What is it?What is it?50304060 Toilet ToiletColumbus the New ContinentIt’s ___________ a discovery.Mar.15 , 1493Please tell whether the following are discoveries or inventions.An amphibious carIt’s ________ an invention.水陆两用汽车DNAIt’s ________ a discovery.Stephenson’s “Rocket...
