必修5unit1warmingup

What do you know about great scientists?Try this quiz and find out who knows the most?Are you ready?Lets go!1.Which scientist discovered that objects in water are lifted up by a force that helps them float?ArchimedesIts2.Who wrote a book explaining how animals and plants developed as the environment changed?Charles Darwin3.Who invented the first steam engine?steam engineIts used for taking water out of mines.James Watt4.Who used peas to show how physical characteristics are passed from parents to their children?Gregor MendelIts used in the treatment of some diseases,especially cancer.radiumWhats this?5.Who discovered radium?Marie Curie6.Who invented the way of giving electricity to everybody in large cities?Thomas Edison7.Who was the painter that studied dead bodies to improve his painting of people?Leonardo da vinci8.Who invented a lamp to keep miners safe underground?Sir Humphry Davy9.Who invented the earliest instrument to tell people where earthquakes happened?Zhang HengDo you know what black hole means?10.Who put forward a theory about black holes?