人教高中英语必修3Unit4Listening 课件.ppt(课件中不含音视频素材)

1、(人教版人教版)Module 3 Unit 4 Astronomy:the science of the starsListening Astronomy：the science of the starsListeningM3U4Lead-in Which one is right?ABgravityGPre-listening What do you know about gravity?Lets do a survey!Q1.Who found the gravity?Issac NewtonQ2.What is gravity?Explain in your own words.A ki

2、nd of force that _ things to the ground.attractspullsQ3.Whats the gravity of the moon compared to the earths?The gravity on the moon is _ of the earths.1/6How about the gravity on the Mars?The gravity on the Mars is _ of the earths.1/3A.1/6 B.1/5 C.1/4Earth&MoonEarth&MarsThe _ the object is,the _ th

3、e gravity is.largerstrongerobjectgravityrelationship?Which one has the same meaning of“object”?purpose B.thingBQ4.Can you list some scientists who study gravity?Issac NewtonAlbert EinsteinStephen Hawking GalileoMatchGalileoIssac NewtonAlbert Einstein Stephen Hawking Same speed to the ground regardle

4、ss of massABCDBlack holesG=m geg:In order to make more money,people tend to move from countryside to urban areas.(1)The sun is in the center of the solar system while the Neptune(海王星海王星)is on the edge.边缘边缘Word guessingurban市区的市区的edgeTip:结构或意思对称的句子可以根据对应单词进行猜测whilefromto(2)Black holes can“eat”things

5、as well as“spit”them out.吐吐spitas well as out1.Listen and write down as much as you can.Listening Listening tip 1:Just catch the key information.2.Listen and fill in the blanks.The _the object,the _the gravity.strongerbiggerLarge bodies have a force which _ things towards them.pullsSomething else mu

6、st be pulling the apple back to earth.Listening tip 2:Just understand the meaning,not the exact sentence.largerfurtherbendsTime goes _ in very _ gravity.slowerstrongbandbendknife and forkbread and buttermassyou cannot get outbe able to escapepullBlack holes have such a strong mass that nothing can e

7、scape from its gravity.Black holes have a very large _ and _ things towards them.Post listening 2.What is the main idea?1.Can you describe the topic by using only one word?gravitymain ideamain ideatopic+supporting detailsThe idea of gravity has developed a lot.Main idea:HomeworkRead the listening material and prepare to retell how the theory of gravity has developed.