19.Conductors and insulators导体和绝缘体 1.There are a variety of materials in life, all materials can conduct electricity?生活中有多种多样的材料,所有的材料都能导电吗? Material package材料包 2.Copper wire, barbed wire, aluminum wire, wood rod, plastic rod, rubber bands, etc. 铜丝、铁丝、铝丝、木棒、塑料棒、橡皮筋等。 Activity process活动过程 ●3.Which material is easy to conduct electricity?哪种材料容易导电? 4.Record down our conjecture. 我猜想… 5.Let's examine我们来检验一下 6.Is the result the same as we guessed?结果和我们猜想的一样吗? 7.Material name我的猜想 8.Experimental results实验结果 Inquiry skills探究技能 9.Using simple circuits to test whether materials such as wood, plastics, and metals can conduct electricity easily is evidence that they are conductors..借助简单电路测试木头、塑料、金属等材料是否容易导电,就是为验证它们是否是导体在搜集证据。 10.In general, materials such as copper, iron and aluminum are easy to conduct electricity and belong to conductors; materials such as dry wood, plastic and glass are not easy to conduct electricity and belong to insulators..一般情况下,像铜、铁、铝这样的材料容易导电,属于导体;像干木头、塑料、玻璃这样的材料不容易导电,属于绝缘体。 11.Understand the application of conductors and insulators in life.了解导体和绝缘体在生活中的应用。 12.I know...我知道… Expand activities拓展活动 13.Check the data to see if the insulator must not conduct electricity.查阅资料,了解绝缘体是否一定不导电。 |
Powered by Discuz! X3.4
Copyright © 2001-2020, Tencent Cloud.
