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科学活动教案大班(六篇)

格式:DOC 上传日期:2023-05-06 06:00:07
科学活动教案大班(六篇)
时间:2023-05-06 06:00:07     小编:zdfb

作为一名老师,常常要根据教学需要编写教案,教案是教学活动的依据,有着重要的地位。那么我们该如何写一篇较为完美的教案呢?那么下面我就给大家讲一讲教案怎么写才比较好,我们一起来看一看吧。

科学活动教案大班篇一

1、了解啄木鸟的外形特征和特有功能,知道啄木鸟是树木的"外科医生"。

2、学会按照一定的顺序观察啄木鸟,了解禽类动物的基本特征。

3、知道啄木鸟是我们人类的朋友,增添爱鸟的情感。

课件-照片:啄木鸟

1、用谜语引出主题有种鸟儿本领高,尖嘴能给树开刀,坏树皮,全啄掉,勾出害虫一条条。

2、谁能猜出来这是什么动物?

出示课件-照片:啄木鸟

1、啄木鸟是什么样子的?你发现啄木鸟有什么奇特的地方?

引导幼儿仔细观察啄木鸟的外形重点提醒幼儿观察啄木鸟的嘴巴、舌头、脚和尾巴。

2、向幼儿介绍啄木鸟的特征和特有功能。

啄木鸟有长长、尖尖的像铁链子一样的嘴巴,他的嘴巴能啄开树皮,在生病的树上打洞。

啄木鸟的舌头能伸缩,舌头有短勾,能伸到树洞里勾出害虫。

啄木鸟有两只短短的脚,脚趾有尖锐的勾,能牢牢地抓住树干,啄木鸟的尾巴坚硬,啄树皮时,尾巴能支持起身体。

3、你知道啄木鸟有什么本领?为什么叫他啄木鸟?

4、组织幼儿思考并讨论,丰富幼儿对鸟类的认识。

(1)你们喜欢啄木鸟吗?为什么?

啄木鸟是我们人类的朋友,你还知道哪些鸟呢?他们长得什么样?

(2)啄木鸟头上有坚硬的嘴;身上长着一身的羽毛;还有一对翅膀;身体下有一双脚;身后有尾巴等。

教师告诉幼儿"鸟类"还叫"禽类",它们的妈妈生下的宝宝先是一个蛋,经过孵化,硬壳而出后才变得和妈妈一样。

科学活动教案大班篇二

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科学活动教案大班篇三

1.体验轻重,对称,支点移动等因素与物体保持平衡的关系。

2.积极与同伴交流自己的探索发现,并能记录结果。

3.能举出两个以上生活中运用平衡原理的例子。

画笔 剪刀 铅笔 橡皮泥 卡纸 别针

1.蝴蝶玩偶引出主题,激发孩子们积极探索兴趣

小蝴蝶飞累了,落在花枝上休息一会,可是它怎样才能站稳呢?快帮小蝴蝶想想在花枝上平稳站住的办法吧!

①用剪刀剪出造型不同的蝴蝶;用橡皮泥把铅笔固定住。笔尖朝上。

②尝试将蝴蝶平稳的立在笔尖上,用笔在支点上做出记号。

③在蝴蝶身上的不同部位夹上别针,看看支点改变了吗?

你的小蝴蝶落稳了吗?将你找到的支点画下来,并将小蝴蝶粘贴在花园里。

2.通过自制小天平,加深体验轻重,对称,支点移动等因素与物体保持平衡的关系

a.粗细均匀的长棍,纸杯做小桶,线绳沙子。

b.自制的小天平歪了,怎么办呢?请给另一边烦人纸杯中倒入沙子直到平衡。

当天平左右两边的物体的重量相等时,两个托盘距支点的距离也相等,当重量不等时,距支点的距离则不等。小朋友们。你发现了平衡的秘密了吗?你还知道哪些物品也用到了这些原理呢?与爸爸妈妈一起去找一找吧!

科学活动教案大班篇四

1、运用各种感官感知桔子、柚子的特征,比较桔子和柚子的相同与不同。

2、了解桔子和柚子的用处,对科学探索活动感兴趣。

1、桔子若干只、柚子。

2、剥好皮的`柚子。

1、师:今天我给小朋友带来了一个谜语,一起来听一听:小小金坛子,装着金饺子,吃掉金饺子,吐出白珠子。猜猜看是谁?(出示桔子)我还给小朋友带来了另外一种水果,你们认识它吗?

1、观察桔子柚子的外形,说出异同。

师:现在请你们来比较一下,桔子和柚子有什么地方不一样呢?请你走下去看一看,摸一摸,闻一闻。请小朋友说说你看到的。

小结:桔子是圆圆的,小小的,橙色的。柚子是又大又圆,黄色的。

2、观察桔子柚子的内部,说出异同。

师:桔子和柚子的外面有相同,有不同,那里面是怎样的?想不想打开来看看。我给小朋友每人准备了一只桔子和柚子,请你找个位子,准备好,我们来比赛剥桔子,看谁剥得快。注意咯,请把桔子皮放在一个篓子里,桔子肉放在盘子里。准备好了吗?预备开始。还有一个大柚子,请小朋友一起帮忙剥出来。小朋友真厉害,请你仔细看看它们有什么地方一样的,什么地方不一样?

师幼小结:桔子的皮薄,容易剥,桔子肉是橙色的,上面有黄黄的筋。柚子的皮厚,难剥,肉是白白的,上面也有白白的筋。

3、品尝桔子和柚子,说出不同。

师:桔子和柚子的外形有相同有不同,里面也有相同有不同,那他们的味道是什么样的呢?现在请小朋友尝一尝,再说说它们是什么味道的。

小结:桔子是酸酸甜甜的,外面的皮能吃下去。柚子也是酸酸甜甜的,它的皮不能吃,有点苦。

活动延伸:

1、师:你知道吃柚子和桔子对我们有什么好处吗?

2、总结:桔子有止咳、化痰、顺气、止渴的功效,但多吃了桔子容易上火。柚子可以清火,有的小朋友嘴角发炎了,吃了能去火。但桔子和柚子也不能多吃,只能适量。

科学活动教案大班篇五

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