Development of Curricular Tools for Quantitative Estimation in Physics

物理定量估计课程工具的开发

• 批准号: 9651038
• 负责人: Bruce Emerson
• 金额: $ 1.99万
• 依托单位: Central Oregon Community College
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1996
• 资助国家: 美国
• 起止时间: 1996-06-15 至 1998-05-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9651038&HistoricalAwards=false
• 关键词: Development; Curricular; Tools; Quantitative; Estimation

This project uses equipment to address a curricular need that exists in this department and in physics programs nationwide. One of the express goals of introductory physics courses is to prepare students to apply physics to the world around them. Students should be capable of thoughtfully performing back-of-the-envelope calculations to reach valid conclusions about physics as it is observed. Rarely, if ever, do teachers validate this skill by testing students. The outcomes of those tests that have been employed are disappointing. Therefore, this department is developing methods to ensure greater student skill in these estimation processes. If students are going to learn to make valid estimations, they need to practice. It is crucial that they have quick feedback about the accuracy of their estimates. To this end, eight computer-based data acquisition systems are being used along with suitable probes and modeling software. Together with structured learning activities, this hardware provides the immediate feedback that is needed to develop student skills in estimation. Simple modeling exercises enable the students to discover which aspects of the problem are most critical. Because of the growing numbers of physics classes with access to microcomputer based labs (MBL), the tools and resources developed are easily transportable to schools nationwide.

该项目使用设备来解决该系和全国物理项目中存在的课程需求。物理入门课程的明确目标之一是让学生做好准备将物理应用到周围的世界。学生应该能够深思熟虑地进行粗略计算，以得出有关物理观察的有效结论。教师很少通过测试学生来验证这项技能。已采用的这些测试的结果令人失望。因此，该系正在开发方法，以确保学生在这些估计过程中拥有更高的技能。 如果学生要学习做出有效的估计，他们需要练习。他们能够快速反馈其估计的准确性，这一点至关重要。为此，正在使用八个基于计算机的数据采集系统以及合适的探头和建模软件。该硬件与结构化学习活动一起提供培养学生估计技能所需的即时反馈。简单的建模练习使学生能够发现问题的哪些方面最关键。 由于越来越多的物理课程可以使用微机实验室 (MBL)，因此开发的工具和资源可以轻松传输到全国各地的学校。