《Module 1 Unit 3 Electricity 课件 (共20张PPT).pptx》由会员分享，可在线阅读，更多相关《Module 1 Unit 3 Electricity 课件 (共20张PPT).pptx（20页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、ElectricityCartoon talkCartoon talkWhat do you know about?What do you know about?Before you readBefore you readReadReadCONTENTS PAGECONTENTS PAGEReading(I)Cartoon talkCartoon talkIm a boy.My energy comes from food.1 12 2Im a robot.My energy comes from electricity.1 12 21Whats in His hands?2What are
2、Hi and Lo talking about?3Where does Los energy come from?4Whats the weather like in the cartoon?5What will this unit probably be about?A chicken leg and an ice cream.Where their energy comes from.Electricity.Its rainy.Electricity.What do you know about?What do you know about?A1 Do you know these thi
3、ngs?What can they do?1 12 23 34 45 56 67 78 89 91010A2 What common points are there among them?They all use electricity.They change electricity into other forms of energy.A3 What forms of energy can they changeelectricity into?1 12 23 34 45 56 67 78 89 9101011111 12 23 34 45 56 67 78 8B We can chang
4、e electricity into different kindsof energy.Match the kinds of energy in the box with the things in the pictures.Some things may have more than one kind of energy.The first one has been done for you.1 12 23 34 45 56 67 78 89 910101 12 23 34 45 56 67 78 8heat energy moving energyheat energy moving en
5、ergylight energy sound energylight energy sound energy1_2_3_4_5_6_7_8_1 12 23 34 45 56 67 78 89 91010B You will watch three short clips of video.At the end of each clip,you will see a question.Watch each clip carefully and try to answer the questions.Try to remember every item appeared in the video.
6、1 12 23 34 45 56 67 78 89 91010 1 12 23 34 45 56 67 78 89 91010 1 12 23 34 45 56 67 78 89 91010 1 12 23 34 45 56 67 78 89 91010Before you readBefore you read1 12 23 34 4A Answer the following questions.1What is energy?2How do you feel if you do not have energy?3If you do not have a lot of energy,wha
7、t can you do to increase your level?4What happens if a machine does not have 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 doesnt work.Plug them into an electric socket;use batteries or solar pane
8、ls.B1 Before you read the story on the next page,look at the title,the first and last two paragraphs and the pictures.1 12 23 34 41 12 23 34 4One evening,Daisy said,Im going to buy a packet of sweets.Does anyone want anything?Benny,Daisys brother,said,Yes.Can you get me a packet of electricity,pleas
9、e?Daisy asked,Didnt you know that,Benny?Mum said,Whos looking foolish now,Benny?B2 Now,try to answer these questions.1 12 23 34 41What did the girl want to buy?2Who is looking foolish?3Who or what is the servant in the title?(A servant usually means someone who does housework for others.)4Why is the
10、 servant in the title dangerous?A packet of sweets.Benny.Electricity.If not used carefully,electricity can hurt us.ReadRead1 12 23 34 45 5One evening,Daisy said,Im going to buy a packet of sweets.Does anyone want anything?Benny,Daisys brother,said,Yes.Can you get me a packet of electricity,please?Da
11、isy said,OK,and went out.Benny laughed,Ha!Ha!Ive tricked Daisy at last.She doesnt even know what electricity is.She thinks that she can buy it in packets,like sweets!Shell really look foolish.Mum said,Do you know what electricity is?Benny said,Yes.Electricity flows through a wire.A meter measures th
12、e amount you use,and you get a bill for it monthly.Its like water,in a way.Thats not a bad explanation,said Dad,although electricity is much more dangerousthan water.Electricity is a good servant,but a dangerous one.You must alwaysbe careful with it.Can you tell me what itlooks like?Benny scratched
13、his head.1 12 23 34 45 5Dad said,Nobodys ever seen electricity.Its invisible.But we can change it into different forms of energy that we can see,hear or feel.Can you think of an example?Benny said,Light!The light in a light bulb.Mum said,Thats right.Do you know where electricity comes from?Benny sai
14、d,Well,it comes into our flat through thin wires,and these are connected to thick wires that are buried under the street.We call the thick wires cables,said Dad.What are they connectedto?A power station,said Benny.1 12 23 34 45 5Daisy then came back.Benny asked politely,May Ihave my packet of electr
15、icity,please?There was a grin on his face.Yes,you may,said Daisy.Here it is.Benny said,But these are batteries!Daisy said,Thats right.But but,said Benny.Daisys right,said Dad.Theyre packets that contain electricity.The chemicals inside produce electricity.Daisy asked,Didnt you know that,Benny?Mum said,Whos looking foolish now,Benny?1 12 23 34 4