冀教版英语九年级全册 Unit 5 Look into Science-Lesson 30 Science Affects Us 课件.pptx

Unit5LookintoScience冀教版英语九年级全一册

Lesson30ScienceAffectsUs

学习目标Curriculumwords:affect,suggest,mobilephone,discovery,amazingUsefulexpressions:First,getajarfullofwaterandapieceofcardboard.Thehigherairpressureoutsidethejarholdsthecardboardinplace.It’sreallyoneofthemostamazingthingsontheearth!

Functions:Masterthenewwords:affect,suggest,mobilephone,discovery,Grammar:suggest的用法Sentences:Theexperimentyoudidsoundsinteresting.Scientificdiscoveriesaremakingourlivesbetterandbetter.

新课导入computerssmartphones

新课讲解THINKABOUTITHaveyoueverdoneanyinterestingexperiments?Canyoudescribeoneofthem?Whatwouldlifebelikewithoutcomputersormobilephones?课文呈现

HiWangMei，Howareyou？Everyonehereisfine.Doyouwanttosurpriseyourfriends?Brian，DannyandIdidanexperimentinscienceclassthisweek.Isuggestyoutryit，too！First，getajarfullofwaterandapieceofcardboard.Coverthejarwiththecardboardandturnthejarover.

Next，takeyourhandoff.Canyouguesswhathappens?Thecardboardholdsthewaterinthejar!Theairpressurepushinguponthecardboardishigherthanthatofthewaterpushingdownfrominsidethejar.Thehigherairpressureoutsidethejarholdsthecardboardinplace.Scienceisinteresting.Don’tyouthinkso?Jenny

DearJenny，I′mverywell.Thanks!Theexperimentyoudidsoundsinteresting.Yes，scienceisinteresting，anditaffectsoureverydaylives.Ourliveswouldsurelybeverydifferentwithoutscientificdevelopments.Ialwayswonderwhatlifewouldbelikewithoutcomputersormobilephones.Scientificdiscoveriesaremakingourlivesbetterandbetter.

Thisweekwehadsomesciencelessons，too.IenjoyedlearningaboutDNA.It′sreallyoneofthemostamazingthingsontheearth!ScientistsaredoingsomanynewthingswithDNA.Ithinkitwillchangetheworld.Itwillbeinterestingtoseewhathappens.WangMei

Let′sDoIt!