• / 19
  • 下载费用:25 金币  

鄂教版三年级科学上册第20课《鸭与鸡》课件_1

关 键 词:
鄂教版科学三年级上册第20课鸭与鸡 第20课鸭与鸡 课件 20鸭与鸡 三年级上学期科学鄂教版鸭与鸡第一 三年级科学上册 版三年级科学上册 版语文一年级
资源描述:
when is your birthday can you play the guitar what time do you go to school 三年级科学课 件2 when is your birthday can you play the guitar what time do you go to school 鸡与鸭有什么不同? § 1、头. § 2、颈. § 3、躯干. § 4、四肢. § 5、尾. when is your birthday can you play the guitar what time do you go to school 讨论: § 鸡喜欢吃什么? 鸭喜欢吃什么? when is your birthday can you play the guitar what time do you go to school 取鸭毛、鸡毛各一根,分别放 在水里,看它有什么变化! when is your birthday can you play the guitar what time do you go to school 将鸡毛、鸭毛放浸入水中取出观察 when is your birthday can you play the guitar what time do you go to school 用洗洁精洗鸭毛 when is your birthday can you play the guitar what time do you go to school when is your birthday can you play the guitar what time do you go to school 鸭子长期生活在水中,它的身体有很多 适应水中生活的特点,如尾部有一对很发达 的尾脂腺,尾脂腺能产生一种含油脂的物质 .当鸭子从水里爬上岸后,我们常常会看到 它用嘴往尾巴背面的尾脂腺上啄,又往周身 的羽毛上擦,这是鸭子在梳理湿了的羽毛, 除掉水,同时涂上一层油,使羽毛保持不沾 水的特点. when is your birthday can you play the guitar what time do you go to school 鸭子的生活习性:喜欢水 when is your birthday can you play the guitar what time do you go to school 再观察:鸭与鸡有哪些相同的地 方? when is your birthday can you play the guitar what time do you go to school 鸭与鸡相比,有哪些相同的地方呢? when is your birthday can you play the guitar what time do you go to school § 全身长有羽毛、有 喙、有翅膀、卵生. when is your birthday can you play the guitar what time do you go to school 小结: § 我们把所有像鸡、鸭 这样的动物归为一类 ,叫鸟类. when is your birthday can you play the guitar what time do you go to school 请判断: § 请指出下面哪些动物是属于鸟类:1、蜻蜓。2 、企鹅。3、蝙蝠。4、蝉。5、海鸥。6、天鹅 。7、麻雀。8、鸽子。9、丹顶鹤。 蜻蜓企鹅 when is your birthday can you play the guitar what time do you go to school 蝙蝠 海鸥 蝉 天鹅 when is your birthday can you play the guitar what time do you go to school 麻雀 鸽子 丹顶鹤 when is your birthday can you play the guitar what time do you go to school 小结: when is your birthday can you play the guitar what time do you go to school 课后作业: when is your birthday can you play the guitar what time do you go to school 下课了!
展开阅读全文
  麦档网所有资源均是用户自行上传分享,仅供网友学习交流,未经上传用户书面授权,请勿作他用。
0条评论

还可以输入200字符

暂无评论,赶快抢占沙发吧。

关于本文
本文标题:鄂教版三年级科学上册第20课《鸭与鸡》课件_1
链接地址:https://www.maidoc.com/p-15670192.html

当前资源信息

资料集锦

编号: 20181002082805364329

类型: 共享资源

格式: PPT

大小: 3.15MB

上传时间: 2019-11-06

关于我们 - 网站声明 - 网站地图 - 资源地图 - 友情链接 - 网站客服 - 联系我们

[email protected] 2018-2020 maidoc.com版权所有  文库上传用户QQ群:3303921 

麦档网为“文档C2C模式”,即用户上传的文档所得金币直接给(下载)用户,本站只是中间服务平台,本站所有文档下载所得的金币归上传人(含作者)所有。
备案号:蜀ICP备17040478号-3  
川公网安备:51019002001290号 


收起
展开