2023學(xué)年完整公開課版More Practice

MorePracticericecookermicrowavekettlehairdryerwashingmachineElectrical

AppliancesWheredoeselectricitycomefrom?coal1.______natural2.______

27%nuclearpower19%waterpower

3.______4.______power4%5.______power0.2%others3.8%Wheredoeselectricitycomefrom?coal1.______natural2.______

27%nuclearpower19%waterpower

3.______4.______power4%5.______power0.2%others3.8%Wheredoeselectricitycomefrom?39%gas7%windsolar核能hydropower煤炭Sohowcanwesaveelectricity?Step1:Findouthowmuchyourfamilyspendsonelectricityinonemonth.Step2(comparewithyourgroupmembers):Q:Whosefamilyspentthemost?

Why?Whosefamilyspenttheleast?

Why?DiscussionHowcanwehelpourfamilyspendlessonelectricity?ElectricalSafetyWeshouldswitchofftheelectricitybeforechangingbulbsGroup1&2:MakingHomeRulesforSavingElectricityGroup3&4:MakingTipsforElectricalSafetyatHomeGroupWorkHomeRulesforSavingElectricity?WeMust:?WeMustNOT:1.turnofflightswhenwedon’tusethem2.…3.4.5.1.leavetheairconditioneronwhenweleavetheroom

2.

…3.4.5.e.g.Keeptheappliancesfarawayfromwater

…TipsforElectricalSafetyatHomeHomeRulesforSavingElectricity?WeMust:1.turnofflightswhennotinused?WeMustNOT:1.leavetheairconditioneronwhenweleavetheroom2.chooseenergy-savingbulbs3.switchoffstandbymode4.unplugkettle/microwave/washingmachinewhennotinused5.chooseenergysavingappliances2.leavethelightsonwhenweleavetheroom3.keeptheTVonovernight4.

openwindowswhentheairconditionerison5.

alwayssettheairconditionerlowerthan26℃Wemustnottouchtheapplianceswhentheyareon.Wemustnotplaywithplugs/wires.Wemustnotconnecttoomanyplugstoonesocket.Wemustnotswitchonapplianceswithwethands.Homework1.ShareyourHomeRules/SafetyTipswithclassmates,andperfectyourwork.2.Designaposterforourclasstoremindustosaveelectricity.Amountoft