应用掌上电脑支持科学探究及学生的认知发展

Facilitate Students’ Science Inquiry and Cognitive Development Based on the Handheld Computers

文章提倡应用掌上电脑(Handheld Computers)作为认知工具(Cognitive Tools)来支持中小学生的科学探究(Inquiry)活动及认知发展。文章首先对计算器认知工具的内涵及相关界定进行了分析；探讨了掌上电脑在中小学生科学探究中的应用价值；并就计算器认知工具支持中小学生科学探究活动的国际和国内相关研究做了回顾；然后结合案例对国内外基于掌上电脑的科学探究及学生认知发展研究特点做了分析，为国内相关研究提供借鉴。

This paper promotes the idea of using handheld computers to facilitate K-12 student science inquiry and cognitive development. It first explains the concept of cognitive tools and analyzes the values added by handheld computers to student inquiry-based science learning. Then it reviews related literature in China and overseas. The paper analyzes the characters of research on students’ science inquiry and cognitive development with real cases to give reference to researchers in China.