七年级英语Unit3 The World of Colors and LightWord Power(ppt)牛津版选修八.ppt

wordpowerpaintings rainbowsongredandyellowandpinkandgreen orangeandpurpleandblue icansingarainbow singarainbow singarainbowsong whatothercolorsdoyouknow black黑色white白色brown咖啡色grey灰色pink粉红purple紫色cyan青色 5saien magenta洋红 me5dvente palegreen苍绿色yellowgreen黄绿色 manycolourshavedifferentshades likelightblueanddarkblue oftenthenamesoftheseshadesarethesameastheobjectsthatareofasimilarcolour plum杨李色pansy紫罗兰色peachpuff桃色papayawhip番木色rosybrown褐玫瑰红springgreen春绿色 1 sandybrown2 seagreen3 seashell4 winered5 silver6 snow7 skyblue8 steelblue9 tomato10 wheat 沙褐色海绿色海贝色葡萄酒红银白色雪白色天蓝色钢蓝色番茄色浅黄色 lookatthefollowingwordsandguessthecoloursbelow rosecherrylemonolivegreenseagreen 5lavinde lavenderchocolatelime a 玫瑰红b 樱桃红c 柠檬黄d 橄榄绿 茶青色e 海绿色f 淡紫色h 深褐色i 酸橙色 1 2 3 4 5 6 7 8 1rose2cherry3lemon4olivegreen5seagreen6lavender7chocolate8lime colorsusedinpressing mostofthecolorsweseeprintedaremadeupofamixofshades orscreen ofthefourprocesscolors cyan magenta yellowandblack belowareexamplesofhowcyanink magentaink yellowinkandblackinkcombinetocreateothercolors takegreen above asanexample ifweadd25 magentatoit itwillbecomeforestgreen ifwetakeouthalfthecyan itwillbecomelimegreen ifwetakeouthalftheyellow itwillbecometurquoise evenaddingorsubtractingaslittleas1or2percentofoneoftheinkscanchangethecolornoticeably inprocessprintingonpaper howislastphotocomposed cyan magenta yellow black eachofthefourcolorsyouseeabovewillbeoutputtoaseparatenegative burnedontoseparateplates andinkedonseparaterollersonthepress afterthepaperhasbeenimpressedwitheachinkedplate thecomposedimagewillappear infullcolor whathappens colorsusedinpainting whatpaintingmaterialsapaintermayuse watercolor canvas 5kanves pencils paintbrushes easel 5i zl palette 5palit oilpaints 1 2 3 4 5 6 7 whataretwomaintypesofpainting howcantheybedone examplesofwatercolorandoilpainting readpartaonpage38 watercoloroilpainting portraitlandscapestilllife liminghasdecidedtotakeuppaintingasahobby hefoundsomeadviceontheinternetaboutstartingtopaint someofthewordsdidnotprintoutproperly usethewordsfrompartsaandbtocompleteit furtherdiscussion illustrateapaintingtotheclass typeofpaintingcolorsofpaintingstyleofpainting languagefocus 1 thepaintisverythickandthesecrettooilpaintingistobuilduplayeronlayeronacanvas 1 积聚 聚集trafficisbuildingupalongtheroadstothecoast onedayyourbookswillbuildupintoalibrary 2 增进 加强 发展体育运动 增强人民体质 promotephysicalcultureandbuildupthepeople shealth艰苦的工作条件能磨练人的性格 hardworkingconditionsbuildupcharacter 喻 增强体力tobuildupone sstrength我们的生意兴隆 wearebuildingupagoodbusiness thevillagehasbeen sinceilivedhere builtupbuiltonbuiltinbuiltinto 2 asofteraserwillalsobeneededincaseyoumakeamistake 以防万一 免得incase作短语连词 能引导状语从句 incase作副词性短语 常置于句末 incaseof置于句末常看作目的状语 作 以免 以防 解 置于句首常视为条件状语 作 如果 万一 解 1 thewallwasbuiltalongtheriverincaseoffloods 2 youshouldkeepafirst aidkitinthecarincaseofaccident 3 万一有火灾 就拨119 incaseoffire call119 4 你最好带点钱 以防万一youhadbettercarrysomemoneyincase inthecaseof 就 来说 关于inanycase无论如何innocase决不inthis thatcase在这种 那种情况下 1 johnmayphonetonight idon twanttogoout hephones nmet2000 春季 a aslongasb inorderthatc incased sothat2 ishouldstayinthehotelallday thereisnewsofthemissingchild nmet2000上海春季 a incaseb nomatterc inanycased evensince3 idon tthinki llneedanymoneybuti llbringsome nmet2000 a atlastb incasec onceagaind intime 物理三元色 红 绿 蓝 的与美术三元色 红 黄 蓝 光的三元色为 红 绿 兰 混合后为白色颜料的三元色为 红 黄 兰 混合后为黑色不同 光混合成无色 颜料混合成黑色 不同 光混合是加法原则 颜料是减法原则 前者相加变亮 后者混合变暗 彩色电视以及绘画 油漆 彩印 摄影等都要涉及到色光的混合与颜料的混合 为什么彩色电视利用的是红 绿 蓝三原色 基色 的混合 而绘画 彩印等颜料的混合却利用的是红 黄 青三原色 平常所说颜料三原色是红 黄 蓝是不确切的 为什么旋转的七色盘的混合色为白色 而七色颜料的混合色却为黑色 black黑色brown咖啡色grey灰色offwhite灰白色palegreen苍绿色pink粉红plum杨李色pansy紫罗兰色purple紫色papayawhip番木色powderblue粉蓝色peachpuff桃色rosybrown褐玫瑰红 royalblue宝蓝色