Copyright 2004-2009 版權(quán)所有 盜版必究Copyright 2004-2009 版權(quán)所有 盜版必究C H A P T E RFIVE5 5ElectricityElectricityCopyright 2004-2009 版權(quán)所有 盜版必究Reading(I)Reading(I)Cartoon talkCartoon talkWhat do you know about?What do you know about?Before you readBefore you readCONTENCONTENTSTSCopyright 2004-2009 版權(quán)所有 盜版必究Im a boy.My energy comes from food.Im a robot.My energy comes from electricity.1 12 2Cartoon talkCartoon talk2-1Copyright 2004-2009 版權(quán)所有 盜版必究They all use electricity.light energy/svnt/n.My energy comes from electricity.Im a robot.light energyTired or sleepy.Some things may produce more than one kind of energy._How can we supply machines with energy?Some things may produce more than one kind of energy.Mum said,Whos looking foolish now,Benny?/muvmnt/n./svnt/n.A servant of mankindCopyright 2004-2009 版權(quán)所有 盜版必究What do you know about?What do you know about?10-11 12 23 34 45 56 67 78 8A1 Do you know these things?What can they do?A2 What common points are there among them?They all use electricity.They change electricity into other forms of energy.Copyright 2004-2009 版權(quán)所有 盜版必究10-21 12 23 34 45 56 67 78 8A3 What forms of energy can they changeelectricity into?light energyheat energymovement energysound energyCopyright 2004-2009 版權(quán)所有 盜版必究A4 We cannot see electricity,but we can change itinto energy.Then we can see,hear or feel it.Match the kinds of energy in the box with the things in the pictures.Some things may produce more than one kind of energy.10-31 12 23 34 45 56 67 78 81_2_3_4_5_6_7_8_heat energy movement energy light energy sound energyheat energy movement energy light energy sound energyCopyright 2004-2009 版權(quán)所有 盜版必究Copyright 2004-2009 版權(quán)所有 盜版必究10-51 12 23 34 45 56 67 78 8Copyright 2004-2009 版權(quán)所有 盜版必究movement energyHow do you feel if you do not have any energy?sound energyHow do you feel if you do not have any energy?_/muvmnt/n.Cartoon talkHow can we supply machines with energy?Some things may produce more than one kind of energy.light energysound energyA4 We cannot see electricity,but we can change itinto energy.One evening,Daisy said,Im going to buy some sweets.10-61 12 23 34 45 56 67 78 8Copyright 2004-2009 版權(quán)所有 盜版必究10-71 12 23 34 45 56 67 78 8Copyright 2004-2009 版權(quán)所有 盜版必究 10-81 12 23 34 45 56 67 78 810-91 12 23 34 45 56 67 78 8 10-101 12 23 34 45 56 67 78 8Copyright 2004-2009 版權(quán)所有 盜版必究Before you readBefore you read4-11 12 23 34 4A Answer the following questions.1What is energy?2How do you feel if you do not have any energy?3If you do not have a lot of energy,what can you do to increase your level?4What happens if a machine does not have any energy?5How can we supply machines with energy?The power that makes things work.Tired or sleepy.Rest,sleep,eat healthy food and exercise regularly.It does not work.Plug them into an electricity source;use batteries or solar panels.Copyright 2004-2009 版權(quán)所有 盜版必究B1 Before you read the story on the next page,look at the title,the first and last paragraphs and the pictures.1 12 23 34 44-2Copyright 2004-2009 版權(quán)所有 盜版必究1 12 23 34 44-3One evening,Daisy said,Im going to buy some sweets.Does anyone want anything?Mum said,Whos looking foolish now,Benny?Copyright 2004-2009 版權(quán)所有 盜版必究Copyright 2004-2009 版權(quán)所有 盜版必究