模块二M2U1 Word power

1、Unit 1主备：Miss He 审稿：高一英语备课组Teaching content（教学内容）: Word powerLearning aims（学习目标）: 1. Understand the meaning of the speech made by the scientist.2. Learn some new words about outer space and space exploration.Important and difficult points（重难点）： Remember the new words about outer space and space expl

2、orationEmotional goals（情感目标）：Teaching procedures(教学步骤):Preview (课前预习)一、Revision（复习）二、Lead-in（导入） Do you know something about space and space exploration? Who was the first man to travel in space? What achievements have humans made so face in space exploration?When did the first man land on the moon?

3、 And how?三、New lesson(新课)Step 1 Reading Ask Ss to read the first part of the speech and complete the time line of the main events mentioned. TimeEventDiscovery195719591961Step 2 Vocabulary learningAsk students to guess the words from some pictures.(launch pad, launch tower, launch shuttle, rocket, a

4、stronaut, spacesuit, spacewalk, space station, tracking ship)These words are new to students, so ask them to have a discussion by answering the following questions:(1) Space exploration began with the launch of the first artificial satellite. What does “launch” mean? What word can be used to replace

5、 “artificial”? What about the word “man-made”?(2) How can a space shuttle be sent into space? Can it fly into space by itself?Step 3 practiceRead the second part of the scientists speech and complete Part C individually according to the instructions. Step 4 Vocabulary extension (合作探究）Ask students to

6、 focus on Part D and consider the question of what our universe is made up of and then ask students to complete it individually.1. Mercury The smallest of the planets and the one nearest the sun, having a sidereal period of revolution about the sun of 88.0 days at a mean distance of 58.3 million kil

7、ometers (36.2 million miles) and a mean radius of approximately 2,414 kilometers (1,500 miles).水星：行星中最小且离太阳最近的星，围绕太阳公转所需的周期为88.0天，公转的平均距离约为58,300,000公里（36,200,000英里），平均半径约为2,414公里（1,500英里）2. VenusThe second planet from the sun, having an average radius of 6,052 kilometers (3,760 miles), a mass 0.815

8、 times that of Earth, and a sidereal period of revolution about the sun of 224.7 days at a mean distance of approximately 108.1 million kilometers (67.2 million miles).金星：离太阳第二远的行星，它的平均半径为6,052公里(3,760英里），质量是地球质量的0.815倍，它在离开太阳约为108,100,000公里(67,200,000英里）的中等距离时绕太阳转的公转周期为224.7天3. EarthOften Earth The

9、 third planet from the sun, having a sidereal period of revolution about the sun of 365.26 days at a mean distance of approximately 149 million kilometers (92.96 million miles), an axial rotation period of 23 hours 56.07 minutes, an average radius of 6,374 kilometers (3,959 miles), and a mass of app

10、roximately 29.11 1024 kilograms (13.17 10 24 pounds). 常作 Earth 地球：离太阳第三远的行星，绕太阳转动的恒星周期为365.26天，平均距离大约是1.49亿平方公里(9,296万英里），自转一周的周期为23小时56.07分，平均半径为6,374公里(3,959英里），质量大约是29.111024千克(13.1710 24英镑）4. MarsThe fourth planet from the sun, having a sidereal period of revolution about the sun of 687 days at

11、a mean distance of 227.8 million kilometers (141.6 million miles) and a mean diameter of approximately 6,726 kilometers (4,180 miles).火星：距太阳第四近的行星。绕太阳公转周期为687天，距太阳平均距离为227.8百万公里(141.6百万英里），平均周长大约为6,726公里(4,180英里）5. JupiterAstronomy The fifth planet from the sun, the largest and most massive in the s

12、olar system, having a sidereal period of revolution about the sun of 11.86 years at a mean distance of 777 million kilometers (483 million miles), a mean diameter of approximately 138,000 kilometers (86,000 miles), and a mass approximately 318 times that of Earth.【天文学】 木星：靠近太阳的第5颗行星，也是太阳系中最大的行星，绕太阳公

13、转的恒星期，按与太阳的平均距离777,000,000公里（483,000,000英里）算，为11.86年。其平均直径大约为138，000公里（86，000英里），其质量大约为地球的318倍6. SaturnThe sixth planet from the sun and the second largest in the solar system, having a sidereal period of revolution about the sun of 29.5 years at a mean distance of about 1,425,000,000 kilometers (88

14、6,000,000 miles), a mean diameter of approximately 119,000 kilometers (74,000 miles), and a mass 95 times that of Earth.土星：距太阳第六远的行星，是太阳系中第二大行星，绕日公转周期29.5年，公转平均半径约1,425,000,000公里(886,000,000英里），平均直径大约119,000公里(74,000英里），质量是地球的95倍7. UranusThe seventh planet from the sun, revolving about it every 84.0

15、7 years at a distance of approximately 2,869 million kilometers (1,790 million miles), having a mean equatorial diameter of 52,290 kilometers (32,480 miles) and a mass 14.6 times that of Earth.天王星：离太阳第七近的行星，距太阳约有2,869,000,000公里(1,790,000,000英里），每绕太阳一周为84.07年。平均赤道直径为52,209公里(32,480英里），质量是地球的14.6倍8. N

16、eptuneThe eighth planet from the sun, having a sidereal period of revolution around the sun of 164.8 years at a mean distance of 4.5 billion kilometers (2.8 billion miles), a mean radius of 24,000 kilometers (15,000 miles), and a mass 17.2 times that of Earth.9. PlutoThe ninth and usually farthest p

17、lanet from the sun, having a sidereal period of revolution about the sun of 248.4 years, 4.5 billion kilometers or 2.8 billion miles distant at perihelion and 7.4 billion kilometers or 4.6 billion miles at aphelion, and a diameter less than half that of Earth.Among them, Jupiter is the largest one a

18、nd Mercury is the smallest one. Moon The natural satellite of Earth, visible by reflection of sunlight and having a slightly elliptical orbit, approximately 356,000 kilometers (221,600 miles) distant at perigee and 406,997 kilometers (252,950 miles) at apogee. Its mean diameter is 3,475 kilometers (2,160 miles), its mass approximately one eightieth that of Earth, and its