SUBSLESSON PLANSUBMITTED BY: RheaBOOK: ArtTOPIC: Color gradient (2課時)AIMS: The students are enabled to 1. learn the knowledge of color gradient, deepen the understanding of color shade change.2. master color gradient approach to create a decorative painting.3. feel the light of the color gradient and shame and know the fun of gouache painting. LANGUAGE FOCUS:a) All the students should learn some new words: gradientb) Some advanced students learn the new words: mix, pigmentc) Create an environment for students to comprehend and use English.AIDS:1. PPt, pencil, eraser, paper, brushes, water, cup, rag, palette, pigmentTEACHING COURSE:PROCEDURESCONTENTSMETHODSPURPOSE.Pre-task preparationT: 1.Display some color cards to Ss.(Red Series and colorful color) Choose two students to arrange about these color cards on the blackboard.2. Let others discuss what are they according to arrange the cards?(According to the color brightness)This is our topic: Color gradient. 3minSs: watch and discuss給出一些色卡讓學生排列一下，看看他們根據什么來排列的？一般都是根據色彩的深淺變化及顏色過渡來排列的，從而引出主題：色彩的漸變。2.While-taskWatch PPT( Know the Knowledge of color gradient.)1.picture one: ocean and sky (see the color changed: from dark blue to light blue)Picture two: sunset(the color from yellow to orange)Let Ss summarize the color gradient with a sentence.2.Guess: What will have the effect on the color gradient of square and circle?(Watch ppt, know the effect: Stereoscopic and Light perception)3.Appreciate the art work about color gradient and see the color gradient pictures in the life. 10minWork request:1. Use color gradient to decorate a picture about with groups.2. beautiful and brightness. 20min Ss: watch and learnSs: Do their work看圖了解色彩漸變的知識，并試著自己用一句話來歸納總結。通過圖片得知正方形和圓形以漸變色后會產生的效果會使它們產生立體感和光感。小組作業：一同完成以漸變的樹葉為主題的裝飾畫。. Posttask activityConclusion 1. Art work show.2. Talk about the feeling of these pictures.3. Clean the desk and floor. 5minSs: discuss 感受畫面的明暗對比。通過學生之間的相互比較與欣賞，發現不同明度的色彩配置在一起會產生不同的明暗變化效果。. AssignmentKnow an artist chagall and his art works.拓展，認識一個畫家:夏加爾及他的作品。Self-reflect對于小組合作共同完成作品，對于四年級的學生來說已