以有效提问促进学生科学探究
2021-01-13陆燕青
陆燕青
摘要科学探究中的问题是具有导向功能的。科学课上教师提出的问题,能引导学生向教师设定的教学目标靠近,能引导学生怎么去做,培养他们的探究能力和科学素养。一堂课上,学生正是通过参与一个又一个的解决问题的过程,能动、主动地建构知识,最终获得能力和思维的发展。本文以“把盐放到水里”这个典型的对比实验活动为例,通过教师有效的提问,让学生理解什么是对比实验、怎样设计对比实验、如何操作等,使探究活动顺利进行。
关键词 科学探究 问题 导向作用
中图分类号:G424文献标识码:ADOI:10.16400/j.cnki.kjdk.2021.30.021
Promoting Students’ Scientific Inquiry with Effective Questions
——Take "put salt in water" as an example
LU Yanqing
(Wuxi Yuqi Central Primary School, Wuxi, Jiangsu 214183)
Abstract: Problems in scientific inquiry have guiding function. The questions raised by teachers in science class can guide students to approach the teaching objectives set by teachers, guide students how to do, and cul? tivate their inquiry ability and scientific literacy. In a class, students actively construct knowledge by participat? ing in the process of solving problems one after another, and finally obtain the development of ability and think? ing. Taking the typical comparative experiment activity of "putting salt into water" as an example, this paper makes students understand what is a comparative experiment, how to design a comparative experiment, how to operate, etc. through teachers’ effective questions, so as to make the inquiry activity go smoothly.
Keywords: scientific inquiry; problem; guiding role
科学探究中的问题是具有导向功能的。科学课上教师提出的问题,能引导学生向教师设定的教学目标靠近,能引导学生怎么去做,培养他们的探究能力和科学素养。一堂课上,学生正是通过参与一个又一个的解决问题的过程,能动、主动地建构知识,最终获得能力和思维的发展。本文以“把盐放到水里”这个典型的对比实验活动为例,通过教师有效的提问,让学生理解什么是对比实验、怎样设计对比实验、如何操作等,使探究活动顺利进行。
明确问题指向,理解实验对比的前提
本课的教学重点是引导学生共同设计对比实验的方案。什么是对比实验呢?对于刚刚进入三年级的学生来说,他们还不熟悉。为了突破这一教学重点,教师在正式上课前,别出心裁地设计了“掰手腕”的游戏,让学生初步认识对比的前提是公平,要建立平等的基础。……
