5 借助工具观察 课件-2024-2025学年科学一年级上册苏教版

借助工具观察 借助工具观察 1 使用工具有助于观察物体 2 学会简单工具的使用 3 认识各种观察工具 比较用感官直接观察和借助简单工具观察物体的不同，知道使用简单工具可以观察到事物的更多细节。 会正确使用放大镜、简易显微镜以及听诊器观察事物。 通过阅读图片资料，知道各种各样的观察工具延伸了人的感官功能。 借助工具观察 ● 用不同的方法观察大拇指。 借助工具观察 指纹 ● 用不同的方法观察大拇指。 借助工具观察 ● 用不同的方法观察大拇指。 借助工具观察 ● 用不同的方法观察大拇指。 借助工具观察 不能用放大镜看太阳。 ● 用不同的方法观察大拇指。 借助工具观察 简易显微镜的使用方法 前后移动放大镜，直到看清楚。 1.打开开关，镜头紧贴观察物。 2.眼睛紧贴观察孔 。 3.调节旋钮 ，直到看清楚。 放大镜的使用方法 ● 用不同的方法观察大拇指。 借助工具观察 ● 你的左手大拇指的指纹像哪个图？ 借助工具观察 弓形纹 箕形纹 斗形纹 弓形纹 箕形纹 ● 用放大镜、简易显微镜观察身边的物品。 借助工具观察 你有什么新发现？ ● 用放大镜、简易显微镜观察身边的物品。 借助工具观察 借助工具观察 怎样才能听得更清楚呢？ 借助工具观察 借助工具观察 特别提醒： 禁止敲击听诊头 禁止大声喧哗 ● 用耳朵、听诊器听心跳声，比不同。 借助工具观察 ●你们还知道什么样的工具能帮助我们观察？ 借助工具观察 借助工具观察 ●你们还知道什么样的工具能帮助我们观察？ ● 司机借助了哪些工具观察车辆周围情况？ 借助工具观察 新录音 16 com.apple.VoiceMemos (iPhone Version 17.5.1 (Build 21F90)) 玻璃声-玻璃破碎的声(0) 声音素材 9613.065 XXX - 163 key(Don't 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com.apple.VoiceMemos (iPhone Version 17.5.1 (Build 21F90)) 新录音 50 com.apple.VoiceMemos (iPhone Version 17.5.1 (Build 21F90)) 新录音 24 com.apple.VoiceMemos (iPhone Version 17.5.1 (Build 21F90)) $$