教科版小学科学四年级下册教案及反思全册

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1、备　课　本班　　别：四年级科　　目：科　学任课老师：　　　至　　　学年度　第二学期目　　录电和我们的生活················································1点亮我的小灯泡·················································3让更多的灯泡亮起来············································4电路出故障了·····································

2、··············5导体与绝缘体··················································6我来做个小开关·················································8里面是怎样连接的··············································9我们选择了什么················································10油菜花开了·········

3、···········································12各种各样的花··················································13花、果实和种子················································14豌豆夹里的豌豆················································15把种子散播到远处······························

4、················16萌发的种子···················································18动物的卵·····················································19一天的食物····················································21我们的身体从食物中得到什么···································22吃什么和还吃什么···

5、···········································24生的食物和熟的食物············································25面包发霉了····················································26减慢食物变质的速度···········································27食物包装上的信息··································

6、············28各种各样的岩石···············································29进一步观察岩石···············································30岩石的组成···················································32怎样观察和描述矿物···········································34岩石会改变模样吗·········

7、····································36岩石、矿物和我们··············································37第　　　周　星期年　　月　　日课　　题 电和我们的生活教学目标1、经历调查家用电器的活动过程，并且科学文件夹记录；2、经历一次收集并且处理数据的科学研究过程；3、讨论他们想知道的关于电的知识；4、明确一些安全用电的常识，并在日常生活中逐步养成安全用电的习惯。重　　点知道安全用电的常识。难　　点关于电的知识。教　　具方　　

8、法教学过程一、引入课前我们做了一个调查记录，调查了我们自己家里的用电器，这节课我们就来做个统计，交流我们的调查结果。二、探究过程1、调查家中的电器。（1）小组内互相交流调查记录，同学之间相互说说。（2）个人统计：生活中常用的用电器有哪些？大的电器有哪些？小的用电器有哪些？最少使用的用电器有哪些？这些用电器分别是用哪些电的？你统计的数量是多少？（3）全班交流。（4）在调查你们发现了哪些问题？（5）自己还有哪些想法？（6）要是没有