Unit 5 lesson 30 Science Affects Us 课件（2024年完整版）.pptxVIP

Unit5LookintoScienceLesson30ScienceAffectsUsaffect[??fekt]v.影响

Haveyoueverdoneanyinterestingexperiments?Canyoudescribeoneofthem?Whatwouldlifebelikewithoutcomputersormobilephones?ThinkAbout

HiWangMei,Howareyou?Everyonehereisfine.Doyouwanttosurpriseyourfriends?Brian,DannyandIdidanexperimentinscienceclassthisweek.Isuggestyoutryit,too!First,getajarfullofwaterandapieceofcardboard.Coverthejarwiththecardboardandturnthejarover.Next,takeyourhandoff.Canyouguesswhathappens?Thecardboardholdsthewaterinthejar!Theairpressurepushinguponthecardboardishigherthanthatofthewaterpushingdownfrominsidethejar.Thehigherairpressureoutsidethejarholdsthecardboardinplace.Scienceisinteresting.Dontyouthinkso?Jenny

DearJenny,Imverywell.Thanks!Theexperimentyoudidsoundsinteresting.Yes,scienceisinteresting,anditaffectsoureverydaylives.Ourliveswouldsurelybeverydifferentwithoutscientificdevelopments.Ialwayswonderwhatlifewouldbelikewithoutcomputersormobilephones.Scientificdiscoveriesaremakingourlivesbetterandbetter.Thisweekwehadsomesciencelessons,too.IenjoyedlearningaboutDNA.Itsreallyoneofthemostamazingthingsontheearth!ScientistsaredoingsomanynewthingswithDNA.Ithinkitwillchangetheworld.Itwillbeinterestingtoseewhathappens.WangMei

知识点讲解1.Doyouwanttosurpriseyourfriends?surprisev.使（人）感到惊讶surprisesb.使某人惊讶他的进步使我感到惊讶。Hisprogresssurprisedme.

surprisen.惊讶；惊奇insurprise惊讶地；吃惊地toone’ssurprise另某人惊讶地是surprisedadj.感到惊讶的surprisingadj.令人惊讶的besurprisedatsth.对某事感到惊讶

2.Isuggestyoutryit,too!suggestv.建议suggest+(that)sb.(should)dosth.建议某人应该做某事他建议我们出去散步。Hesuggest(that)we(should)goforawalk.

suggestdoingsth.建议做某事他建议步行去学校Hesuggestwalkingtoschool.suggestionn.建议可数名词advicen.建议不可数名词

3.Coverthejarwiththecardboard