高二英语精品课件：UNIT3 THE WORLD OF COLORS AND LIGHT-WORD POWER（牛津译林版选修8）.ppt

1、Word powerPaintings Unit 3The world of colours and lightRainbow SongRed and yellow and pink and green,Orange and purple and blue.I can sing a rainbow;sing a rainbow,Sing a rainbow song.What other colors do you know?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mE5dVentEpal

2、egreen 苍绿色yellowgreen 黄绿色Many colours have different shades,like light blue and dark blue.Often the names of these shades are the same as the objects that are of a similar colour.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.sandybrown 2.seagreen 3.seashell 4.winered 5.s

3、ilver 6.snow 7.skyblue 8.steelblue9.tomato 10.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Look at the following words and guess the colours below.rose cherry lemon olive green sea green5lAvindElavender chocolate limea.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123456781 rose2 cherry3 lemon 4 olive green5 se

4、a green6 lavender7 chocolate8 limeColors used in pressingMost of the colors we see printed are made up of a mix of shades,or screen,of the four process colors:Cyan,Magenta,Yellow and Black.Below are examples of how Cyan ink,Magenta ink,Yellow ink and Black inkcombine to create other colors:CMY B ALL

5、 INKS 100%CYAN-100%YELLOW-GREEN 100%CYAN-100%YELLOW25%BLACK DARK GREEN-100%MAGENTA100%YELLOW-RED-100%MAGENTA 100%YELLOW25%BLACK DARK RED 100%CYAN 50%MAGENTA-BLUE 50%CYAN75%MAGENTA 100%YELLOW-BROWN 45%CYAN 30%MAGENTA 30%YELLOW-GRAYTake green,above,as an example.If we add 25%magenta to it,it will beco

6、me forest green.If we take out half the cyan,it will become lime green.If we take out half the yellow,it will become turquoise.Even adding or subtracting as little as 1 or 2 percent of one of the inks can change the color noticeably.In process printing on paper,how is last photo composed?CyanMagenta

7、YellowBlackEach of the four colors you see above will be output to a separate negative,burned onto separate plates,and inked on separate rollers on the press.After the paper has been impressed with each inked plate,the composed image will appear,in full color.What happens?Colors used in painting?Wha

8、t painting materials a painter may use?watercolorcanvas5kAnvEspencilspaintbrusheseasel5i:zlpalette5pAlitoil paints12345671.What are two main types of painting?2.How can they be done?3.Examples of water color and oil painting?Read Part A on Page 38water color oil paintingportraitlandscapestill lifeLi

9、 Ming has decided to take up painting as a hobby.He found some advice on the Internet about starting to paint.Some of the words did not print out properly.Use the words from Parts A and B to complete it.(1)watercolour (2)oil (3)pencils(4)paper (5)canvas (6)easel(7)palette (8)portrait (9)still lifeFu

10、rther discussion:Illustrate a painting to the classtype of paintingcolors of paintingstyle of painting Language Focus1.The paint is very thick and the secret to oil painting is to build uplayer on layer on a canvas.1)积聚;聚集Traffic is building up along the roads to the coast.One day your books will bu

11、ild up into a library.2)增进；加强：发展体育运动,增强人民体质。Promote physical culture and build up the peoples health艰苦的工作条件能磨练人的性格。Hard working conditions build up character.(喻)增强体力to build up ones strength我们的生意兴隆。We are building up a good business.The village has been _ since I lived here.A.built up B.built on C.b

12、uilt in D.built into2.A soft eraser will also be needed in case you make a mistake.以防万一,免得in case作短语连词，能引导状语从句;in case作副词性短语，常置于句末.in case of 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)The wall was built along the river in case of floods.2)You should keep a first-aid kit in the car in case of acc

13、ident3)万一有火灾,就拨119.In case of fire,call 119.4)你最好带点钱,以防万一You had better carry some money in case.in the case of，就.来说,关于in any case 无论如何in no case 决不in this/that case 在这种/那种情况下1.John may phone tonightI dont want to go out _ he phones（NMET 2000，春季）A.as long as B.in order that C.in case D.so that 2.I s

14、hould stay in the hotel all day _ there is news of the missing child(NMET 2000上海春季）A.in case B.no matter C.in any case D.even since 3.I dont think Ill need any money but Ill bring some _（NMET 2000）A.at last B.in case C.once again D.in time 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

15、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？Reference: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springgreen 春绿色salmon 鲜肉色salmon pink 橙红色sandybrown 沙褐色seagreen 海绿色seashell 海贝色shocking pink 鲜粉红silver 银白色snow 雪白色skyblue 天蓝色steelblue 钢蓝色stone 石色tan 茶色tomato 番茄色violet 紫色wheat 浅黄色white 白色winered 葡萄酒红yellowgreen 黄绿色