必修五5_UNIT1_GREAT_SCIENTISTS_READING_精品课件_公开课课件.ppt

analyze the results: What happened to the pump water? The water was from the river which had been polluted by the dirty water from London. find supporting evidence : What extra evidence did he find? A woman and her daughter who lived far away but drank the water also died. draw a conclusion with certainty The polluted water carried the disease. 1.Draw a conclusion:(得出结论) 2.Think of a method:(找出研究方法) 3.Collect results:(收集材料) 4.Make a question:(形成研究主题) 5.Find a problem:(发现问题) 6.Analyse results:(分析材料) 7. Find supporting evidence(找到能确证的证据) 5 4 2 3 6 7 1 Stages in examining a new scientific idea: draw a conclusion find a problem make a question think of a method collect results analyse the results find supporting evidence Para 1 Para 2 Para 3 Para 4 Para 5 Para 6 Para 7 What should we pay attention to in our daily life in order not to get infected with all these infectious diseases? Heal the food left overnight Cook raw food thoroughly Wash hands often Keep away from flies choose fresh sea food Keep the kitchen clean Dispose rubbish properly. Drink boiled water * * * * * * * Great scientists Warming up What do you know about great scientists? Try this quiz and find out who knows the most? Are you ready? Let’s go! 1. Which scientist discovered that objects in water are lifted up by a force that helps them float? Archimedes It’s… Give me a place to stand and I will move the world ! 2. Who wrote a book explaining how animals and plants developed as the environment changed? Charles Darwin 3. Who invented the first steam engine? James Watt 4. Who used peas to show how physical characteristics are passed from parents to their children? Gregor Mendel radium 5. Who discovered radium? Marie Curie Thomas Edison He invented the way of giving electricity to everybody in large cities. 7. Who was the painter that studied dead bodies to improve his painting of people? Leonardo da vinci 8. Who invented a lamp to keep miners safe underground? Sir Humphry Davy 9. He