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2016六级科学四单元第一课.ppt

发布:2016-12-09约3.6千字共29页下载文档
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校园生物大搜索 地球上到底有都少生物? 目前还是一个未知数。 想要探究,现在可以干什么呢?一起来观察和发现身边的生物吧 认识它们么?(动物) 麻 雀 燕 子 蚂 蚁 蜈 蚣 西 瓜 虫 瓢 虫 (植物) 荷 花 玉 兰 铁 树 千 鸟 花 含 笑 蕾 丝 花 凤 仙 花 讨论 在观察时,我们应该注意什么呢? 在这所学校中,同学们能发现多少生物? 观察一下,我们校园中的动物植物 判断题 1、在观察时,不能随意采摘植物或伤害动物。 (√) 2、在观察中,一些很普通的小生物(例如:蚂蚁)可以忽略。 (×) 3、校园生物就是指校园环境中所特有的生物。 (√) 课堂小结 我们周围的生物是多种多样的、奇妙的。 笔记是观察时常用的记忆方式。 生物的种类、数量是我们不可估计的,因此,我们应该细心观察。 再给大家看一下不常见的生物 黑颈鹤 刺猬宝宝 北极狐 珙桐 百岁兰 水 杉 原始观音座莲 谢谢大家 * 第四单元 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5
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