Acid-Base Bingo：酸碱宾果

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1、Acid-BaseBingoAcid-BaseBingoisafunwayforstudentstolearnwhathouseholditemsareacidicandwhatarebasic.Theywilllearnaboutindicatorsandspecialpaperwithindicatorsonthemcalledlitmuspaper.Manyacidsandbasescanbefoundinyourhome.Acidsarethingsthatusuallytastesourandstingwhentheygetinyoureyeoracut.Basesarething

2、sthatusuallyfeelslipperyortastebitter.Donottastethingsinalabbecauseitcouldbedangerous.Indicatorscanbeusedtoseeifsomethingisanacidorabase.Inanacidanindicatorwillturnredandinabaseanindicatorwillturnblue.Litmuspaperisspecialpaperthathasanindicatoronitsothatitwillturnredorblueinacidsorbases.MaterialsGr

3、oup1+5LemonJuiceCranberryJuiceVinegarAstringentBakingSodaandwaterDetergentandwaterGroup2+6WindexEggWhitesSodaApplejuiceCatsupPickleJuiceGroup3+7SaladDressingOrangeJuiceDran-OBoraxandwaterMilkofMagnesiaBleachandwaterGroup4+8CoffeeHalfandHalfAmmoniaandwaterMr.BubblesSoftScrubSalsa48ContainersLitmuspa

4、perorcabbagejuiceAcid-BaseBingoCardsRedbingochipsBluebingochipsToothpicksordroppers(forcabbagejuice)Pourtwocontainersofeachmaterialforatotalof48containers.Breakstudentsupinto8groupsandgiveeachgroup6ofthematerialstotestwiththecorrespondingworksheetandlitmuspaper.EachGrouphastheirownworksheetstofillo

5、utfortheirsixmaterials.Havethemusetoothpickstodipintotheliquidandthenontothelitmuspaper.Ifusingcabbagejuicehavethestudentspour2-3dropsintoeachsolution.Ifindthatthelitmuspaperworksbest.Whilethestudentsaretestingmakealistontheboardofthedifferentmaterialsandwhentheyaredonehavethemraisetheirhandstotell

6、whethereachmaterialturnedredorblue.Afterwritingdownwhateverythingishandoutthebingocards.Bingoisplayedlikeregularbingoonlywhenthestudentswinbingobeforewinningtheymustidentifywhethersomethingisanacidorbase.Redisanacidandblueisbase.LemonJuice-Red-AcidCranberryJuice-Red-AcidVinegar-Red-AcidAstringent-R

7、ed-AcidBakingSodaandwatermixture–Blue-BaseDetergentandwatermixture–Blue-BaseWindex–Blue-BaseEggWhites–Blue-BaseSoda-Red-AcidApplejuice–Red-AcidCatsup–Red-AcidPickleJuice-Red-AcidSaladDressing-Red-AcidOrange