人教英语必修三抢分教程课件：Unit4Astronomy：thescienceofthestars

1、Unit 4 Astronomy : thescience of the stars美文导读话题链接Z古今中外的历史上有很多的科学家致 力于探索宇宙的奥秘。意大利的科学家 伽利略伽得雷(1564 1642)就是其中非 常著名的一位。他是文艺复兴后期冷大 的天文学家、力学家、哲学家、物理学 家、数学家,也是近代实验物理学的开 拓者,被誉为“近代科学之父”。让我 们更细致地了解他吧。Galileo Galilei was born near Pisa in 1564-the same year in which Shakespeare was born and the year in which

2、Michelangelo（米开朗 基罗）and Calvin（加尔文） died.He entered Pisa University as a medical student in 1581, and became a professor of mathematics at Padua, where he improved the telescope（望远镜）andAt the time that Galileo arrived at the University of Pisa, some arguments had started up on one of Aristotle'

3、s（亚 里士多德的）"laws" of nature, that heavier objects fall faster than lighter ones.Imagine Aristotle at the top of a building, dropping two balls, one twice as heavv the other.According to his words, the heavier one should fall faster than the lighter one.At that time Aristotle，s words had bee

4、n accepted as a truth, and there had been few attempts to actually test Aristotle，s conclusions by actually conducting an experiment!However, Galileo decided to have a try.He needed to be able to drop the objects from a great heigh匸The perfect building was right at hand-the Tower of Pisa, 54 meters

5、tall.Galileo climbed to the top of the building carrying a variety of balls of different sizes and weights, and dropped them from the top.They all landed at the base of the building at the same time (itRead the text and try to tell 讦 these sentences are true (T) or false (F).1.Galileo and Shakespeare were born in the same year.2.It was in Pisa University that Galileo improved the telescope.3.In Aristotle' s opinion, heavier objects fell faster than lighter ones.4.Galileo