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1、种子发芽实验教科版五年级上册科学Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.植物的一生是从种子发芽开始的。Evaluation only.Evaluation only. Create
2、d with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with
3、Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.4.定期观察、记录、浇水。实验组有阳光,对照组无阳光1.取两个一次性杯子,下面放上纸巾。两个组相同的条件 绿豆、水、温度、空气两个组不同的条件 绿豆种子发芽一定要有阳光。我们提出的问题 绿豆种子发芽一定要有阳光吗?我们的推测 实验过程与方法2.各放入三颗大小差不多的绿豆。种子发芽实验设计3.浇上同样多的水。Evaluation only.Evaluatio
4、n only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.温馨提示1.两个组相同的条件?2.准备什么材料?3.放多少粒绿豆,为什么?4.需要加水吗?为什么?5.看到什么现象说明光对种子发芽产生了影响?Evaluation only.Evaluati
5、on only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.种子发芽和 的关系实验记录表实验开始时间: 班级: 姓名:日 期种子变变化 实验组实验组对对照组组月 日月 日月 日月 日观察内容:种子的大小、种皮情况、长芽的情况等Evaluation
6、only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.讨论:种子发芽需要哪些条件 Evaluation only.Evaluation only. Created with Aspose.Slides for .NE
7、T 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.设计:种子发芽实验 对比实验让一个条件发生变化 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspo
8、se.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.讨论设计实验计划:1.你们想研究什么问题,你们计划怎样做? 2.你们预测结果会是怎样的? 3.你们的研究中,改变了什么条件? 4.哪些条件是没有改变的? 5.怎样知道改变的条件是不是对种子发芽产生了 影响? 6.在实验研究过程中还应该注意什么?Evaluation only.Evaluation only. Created with Aspose.Slides f
9、or .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET
10、 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.我们提出的问题我 们 的 推 测两个组的相同条件两个组的不同条件实 验 的 方 法我们的“种子发芽”实验计划Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Prof
11、ile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.日 期种子的变化实验组对照组月 日 月 日 月 日月 日种子发芽和 的关系实验记录表实验开始时间: 班组: 姓名:Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.
12、Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.