文档介绍：中小学语文 信息化教学设计模板
信息化教学设计模板
设计者信息
姓名 电子信箱 电话 区县 学校名称 日期 课题摘要
教学题目 《搭石》
所属学科 语文 学时安排 1 年级 所选教材
一、学****内容分析
1(学****目标rd solution: lessons arsenic standard stock solution, at 100mL. Volumetric flask, add 1mL sulfate (6+94).
四、流程规划与活动设计
1(教学流程设计
简介教学环节规划及流程设计，说明每一环节中教师活动、学生活动以及媒体应用策略，推荐使用图示加文本的方式描述。
2(学****活动索引设计(依据教学流程将学生学****活动依次填入下表)
序号 活动内容 使用资源 学生活动 教师活动 备注
(SnCl2 2H2O), Add hydrochloric acid to dissolve and dilute to 100mL to join the metal Tin particles. HCL (1+1): volume 50mL, diluted with water to 100mL hydrochloride. lead acetate solution (100g/L). lead acetate cotton: with lead acetate solution (100g/L) after the soaked cotton wool, in addition to the extra solution and loose, at 100 ? dry, store in glass bottles. the sodium hydroxide solution (200g/L). sulfuric acid (6+94): volume take sulfuric acid added Yu 80mL water in the, cold Hou again added water diluted to 100mL two b base II sulfur generation amino carboxylic acid silver-three ethanol amine-three chlorine methane solution: said take two b base II sulfur generation amino carboxylic acid silver [(C2H5) 2NCS2Ag] placed mortar in the, added few three chlorine methane grinding, moved people 100mL graduated cylinder in the, joined , three ethanol amine, again with three chlorine methane points times washing mortar, Wash together into the graduated cylinder, and methylene chloride in dilute Release to 100mL, and put up for the night. Filter man Brown bottle for storage. the arsenic standard stock solution: weigh accurately in sulfuric acid dryer for drying or drying at 100 ? 2H arsenic trioxide, and 5ml. Sodium hydroxide solution (200g/L), dissolved plus 25mL acid (6+94), move people 1000mL in the bottle, add new boiled cooled water diluted to scale, and store in a brown glass bottle. Arsenic per ml of this solution corresponds to . arsenic standard solution: lessons arsenic standard stock solution