高中英语1Module5ALessoninaLab张华清B1M5Introducti

GeneralScienceQuizFindandcorrectalltheerrorsinthefollowingstatements.Waterexistsasasolidandaliquidonly.

Whenyouheatametal,itcontracts.Steelisamixtureofironandothersubstances.One-thirdoftheearth’ssurfaceiswater.Waterexistsasasolid,aliquidandagas.Whenyouheatametal,itexpands.Two-thirdsoftheearth’ssurfaceiswater.√×××Findandcorrectalltheerrorsinthefollowingstatements.Thedistanceofthesunfromtheearthis150,500,500kilometers.Theearthis4.6millionyearsold.Theearthistwiceaslargeasthemoon.Ittakesabout8hoursfortheSun’slighttoreachtheEarth.Theearthis4.6billionyearsold.Theearthisforty-ninetimeslargerthanthemoon.√×××Ittakesabout8minutesfortheSun’slighttoreachtheEarth.Findandcorrectalltheerrorsinthefollowingstatements.Octopuseshaveonlyoneheart.Duringalunareclipse,theSunliesbetweentheMoonandtheEarth.Soundtravelsfasterinairthaninwater.Mushroomsareplants.Duringalunareclipse,theEarthliesbetweentheMoonandtheSun.Soundtravelsfasterinwaterthaninair.××××Mushroomsareatypeoffungi（真菌）.Octopuseshavethreehearts.Putthesewordsinpairsorgroups(p.41).aircontractearthgasliquidsunoxygenmoonsolidexpand1oxygen-gas234………contract-expandearth-sun-moongas-liquid-solidchangeofsizestatesofmatterheavenlybodyearth-solidpartandwholepartandwholeelectricityiron metalsteel air glassnaturalman-madebothairglasssteelironelectricitymetals(puremetalvs.alloy)Decideifthesesubstancesarenaturel,man-madeorboth.Whyisironbothnaturalandman-made?Theonlypureironknowntoexistnaturallycomesfromfallenmeteorites(陨石).Mostironisfoundinminerals(矿物)formedbyamixtureofironwithothersubstances.Ironoxidesareprocessedtogetiron.NaKMgCaAlZnCuFesodium/ˈsəʊdiəm/magnesium/mæɡˈniːziəm/potassium/pəˈtæsiəm/calcium/ˈkælsiəm/iron/ˈaɪən/copper/ˈkɒpə(r)/zinc/zɪŋk/aluminium/ˌæləˈmɪniəm/PeriodicTableofChemicalElementsWhatdoyouknowaboutthesecommonmetals?sodium(Na)magnesiumaluminiumironpotassium(K)calciumcopperzincYoucanstartafirewitha_____________bar.__________canusuallybefoundinsalt.DuringtheShangDynasty,containersandweaponswereoftenmadefrom_______.Ourbonesandteethcontainagreatamountof______._______canhelpwithoxygentransferinredbloodcells._______isknownas“thefloweroflife”becauseofitsimportancetohumanbody.magnesiumSodiumcoppercalciumIronPotassiumSodiumandpotassiumaremoreactivethanmagnesium.Whyaretheynotusedasfirestarters?Potassiumreactswithwater.Startafirewithamagnesium