Lk at the pictures and talk abut them:
What can we use a rice cker t d?
washing machine
What can we use a washing machine t d?
What can we use a micrwave t d?
What can we use the electrical appliances safety?
Mre practice
Presentatin
Read the article. Then cmplete the safety rules belw.Electricity safety tipsElectricity makes ur lives easier. We use a lt f electrical appliances in ur hmes every day. Here are three f them. Hw can we use them safety?Rice ckerKeep the utside f the pt dry.D nt switch the rice cker n if the pt is empty.
Washing machineD nt put yur hand in the washing machine when it is n.Unplug it when yu are nt using it.MicrwaveD nt turn it n when it is empty, because it might start a fire.Stand at least ne metre away frm the micrwave when it is n.Befre yu put an bject in a micrwave, make sure it is micrwave safe.
Rice cker:Yu __________________________________________________.Yu ___________________________________ if the pt is empty.Washing machine:Yu _______________________________________ when it is n.Yu _____________________________ when yu are nt using it.
must keep the utside f the pt drymustn’t switch the rice cker nmustn’t put yur hand in the washing machineMust unplug the washing machine
MicrwaveYu ____________________________________ when it is empty.Yu ________________________________________________ when it is n.Yu ______________________________________ in a micrwave.
mustn’t turn the micrwave nemust stand at least ne metre away frm the micrwavemust nly put “micrwave safe”
Imprtant phrases:clse the windwsg utnear the heatertuch TV with the wet handsswitch ff the lightskeep the huse cleanspeak rudely
關(guān)上窗戶出去靠近加熱器用濕手觸摸電視關(guān)燈保持房間清潔說話粗魯
Language pints.
Discuss whether electricity is gd r bad.
Electricity is gdPrvide lighting, such as electric lights, street lights. Prvide warmth and cling, such as air cnditining, fans.Keep fd and medicine, such as refrigeratrs and refrigeratrs.High technlgy, such as aircraft, aerspace.Electricity gives peple pwer, warmth, light and happiness. Man's night is like the day, nt single, bring.
Electricity is badImprper use will cause persnnel and prperty damage (smetimes huge). Fr example, high vltage electricity will cause injury, and the heavy ne will die. Lightning, when the clud and the earth discharge, the destructive frce is very strng. Smetimes static electricity will cause huge lsses and disasters t peple, equipment and sciety.
CnclusinElectricity has brught numerus benefits t human beings and many cnveniences t ur life. We must supprt the develpment and innvatin f electricity science and explre mre advantages f electricity in the future. At the same time, we can nt ignre the serius cnsequences that electricity may bring when it is nt used prperly. We must enhance the awareness f safe use f electricity and cherish life. In additin, we shuld als save electricity and cherish resurces.
Culture crner
Earth Hur started in 2007 in Sydney, Australia. In that year, 2.2 millin peple turned their lights ff fr ne hur. They did this t shw that they cared abut climate change. Since then, peple frm all ver the wrld d the same n the last Saturday f March every year. Mre and mre cuntries are jining Earth Hur.
Answer the questins.
When and where did Earth Hur start?Earth Hur started in 2007 in Sydney, Australia. Hw many peple turned their lights ff in that year?2.2 millin.What day is earth hur?The last Saturday f March every year.
Write a shrt passage.
When will the next Earth Hur be? Will yu take part in the next Earth Hur? Why?
Prject: Saving water and electricity
Yur class is ging t make a pster abut saving water and electricity. Divide the class int tw grups. One grup will research the tpic f water. The ther grup will research the tpic f electricity.
Wrk n yur wn. Interview yur parents t find ut hw much yur family spent n water/electricity last year. Cmplete the bar cart belw. Fllw the example.
Lk at yur bar chart and then answer the questins belw.1　In which mnth(s) did yur family spend the mst n water/ electricity?2　In which mnth(s) did yur family spend the least n water/ electricity?3　Hw much in ttal did yu family spend n water/electricity last year?
In grups, cmpare yur bar charts. Then discuss the questins belw.1　Whse family spent the mst n water/electricity last year? Why?2　Whse family spent the least n water/electricity last year? Why?3　What can we d t help ur family spend less n water/ electricity?
( ) 1 - May?I?brrw?yur?bks? - Yes,?yu?___.? A.?mayB.?canC.?mustD.?need? ( ) 2 - Can?he?speak?English? - ________.? A. Yes,?he?desB. Yes, he?didC.?Yes,?he?canD. Yes,?he?must?? ( ) 3 - ___ I?swim?here? - I’m?srry.?Children ___ swim?alne?here.? A. Must;?can’tB.?May;?mustC.?Can;?mustn’tD.?Can’t;?can
( ) 4 With?the?help?f?the?new?technlgy, yu?_____?e-mail?yur?friends?by? mbile?phne.?? A. canB.?mustC.?needD.?shuld?? ( ) 5 - Can?I?g?fishing?with?yu,?Dad? - N,?yu _____.?Yu?______?stay?at?hme?and?d?yur?hmewrk.? A. wn’t;?may????B.?can’t;?must???C.?shuldn’t;?ughtD.?needn’t;?shuld
Key pints: The infrmatin f Electricity safety tips.The infrmatin f Earth Hur.The research n saving water and electricity.

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Unit 6 Electricity

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