Unit 1 Great Scientists Reading

课件24张PPT。Unit 1 Great ScientistsWarming UpWhat do you know about great scientists? Try this quiz and find out who knows the most.Alexander Bell electricity
Thomas Edison the First telephone
Wright Brothers the electric Lamp
Madame Curie black holes in Universe
Franklin Theory of Gravity
Steven Hawking the First Plane
Elbert Einstein Radium
Isaac Newton the Theory of RelativityScientists & Contributions:1. Which scientists discovered that objects in water are lifted up by a force that helps them float?Archimedes
阿基米德Archimedes, Ancient Greek (287-212 BC), a mathematician.2. Who wrote a book explaining how animals and plants developed as the environment changed?Charles Darwin达尔文Charles Darwin, Britain (1808-1882).The name of the book is Origin of Species.3. Who invented the first advanced steam engine?James Watt瓦特James Watt (1736-1819) was a Scottish inventor and mechanical engineer, who was renowned for his improvements of the steam engine. 4. Who used peas to show how physical characteristics are passed from parents to their children?Gregor Mendel门德尔Gregor Mendel, Czech, a botanist and geneticist.
5. Who discovered radium?Marie Curie 居里夫人 Marie Curie, Polish and French, a chemist and physicist. She discovered
radium.6. Who invented the way of giving electricity to everybody in large cities?Thomas Edison 爱迪生
Thomas Edison, American, an inventor. He invented the lights and the gramophone.7. Who was the painter that studied dead bodies to improve his painting of people?Leonardo da Vinci 达芬奇Leonardo da Vinci, Italian, an artist.
8. Who invented a lamp to keep miners safe underground?Humphry Davy 汉弗莱 戴维
Sir Humphry Davy, British, an inventor and chemist.9. Who invented the earliest instrument to tell people where earthquakes happened?张衡Zhang Heng, ancient China, an inventor.10. Who put forward a theory about black holes?Stephen Hawking 斯帝芬 霍金Stephen Hawking, British, a physicist.
5.Who is the father of super hybrid rice?Yuan Longping6. Do you know who defeated “King Cholera”?John SnowJohn Snow is a well-known doctor in the 19th century in London and he defeated “King Cholera”.Do you know what kind of disease is cholera?It is a kind of terrible disease caused by drinking dirty water and it caused a lot of deaths in the old times and it was very difficult to defeat.Let’s get to know how Dr. John Snow defeated “King Cholera” in 1854 in London in this reading passage:
John Snow Defeats “King Cholera”John Snow Defeats “King Cholera”The passage is written as a report of an experiment and there are 7 steps:1.Find a problem:(发现问题)
2.Make up a question:(形成研究主题)
3.Think of a method:(找出研究方法)
4.Collect results:(收集材料)
5.Analyse results:(分析材料)
6.Repeat if necessary:(必要时重新分析)
7.Draw a conclusion:(得出结论)John Snow Defeats “King Cholera”Read the passage and fill in this form: (in 15 minutes)John Snow Defeats “King Cholera”What causes cholera?Which theory is correct?Collect information on those who were ill or died and where they got their waterMark information on a map to find out where people died or did not diedAnalyse the water to see if that is the cause of the illnessFind other evidence to make sure the conclusionThe water is to blame. The source of all drinking water should be examined.Many of the deaths were near the water pump in Broad Street.Part of Snow’s Cholera MapRead the passage again and finish Ex. 1(Page 3). (in 8 minutes)John Snow Defeats “King Cholera”Fill in the blanks:
John Snow was a well-known ____ in London in the ___ century. He wanted to find the ______ of cholera in order to ______ it. In 1854 when a cholera ____ out, he began to gather information. He _____ on a map where all the dead people had lived and he found that many people who had drunk the dirty water from the ______ died. So he decided that the polluted water carried cholera. He suggested that the _____ of all water supply be _______ and new methods of ________ with polluted water be found. Finally, “King Cholera” was defeated.doctor19thcausedefeatbrokemarkedpumpsourceexamineddealing (in 5 minutes)Thank You