构建有机化学实验教学体系培养应用型人才

为适应应用型本科人才培养的需要,改革传统的实验教学模式,探讨建立新的有机化学实验教学体系并加以实施。开设综合性、设计性实验项目,体现以学生为主体,重在培养其创造性思维、开发创造力的实验教学思想。通过多媒体教学的引用、实验室开放,开展学生创新性实验项目等措施,切实提高学生的综合素质和能力。     

拉瓦锡与近代化学革命

分析了18世纪化学革命产生的背景，阐述了燃烧氧化学说的伟大意义及其在化学发展史上的地位，并探讨了拉瓦锡的科学思想和研究方法。     

构建研究型实验教学法培养学生创新能力

在论述研究型教学体系的意义的基础上,结合无机固体材料化学课程的特点进行改革和探索,构建了以学生为主体的研究型实验教学体系.该体系的实施,对于提高学生实践和创新能力具有积极的推动作用.     

利用煤炭固体废物制备微晶玻璃

采用50%以上的煤矸石与粉煤灰废弃物为主要原料,并添加少量的CaO、A l2O3、SiO2、MgO、K2O、Na2O等矿物原料,以CaF2/TiO2为晶核剂,经过1 400~1 500℃熔制、水淬和晶化热处理等过程制备出CaO-A l2O3-SiO2系微晶玻璃。首先对微晶玻璃的CaO、A l2O3、SiO2等成分进行优化设计,用TDA研究核化温度、核化时间、晶化温度、晶化时间及升温速率等热处理工艺参数的影响,采用SEM和XRD分析微晶玻璃的形貌与晶相结构,并检测其密度、吸水率、抗折强度、显微硬度、耐腐蚀性等物理力学性能。所制备的40%SiO2-15%A l2O3-30%CaO(质量百分数)微晶玻璃以黄长石为主晶相,晶粒度约4μm,具有优异的物理力学性能,在建筑材料领域有良好的应用前景。     

新课程下高考化学试题内容、结构及能力要素的初步研究

本文探讨了实施新课程标准后高考化学科的考试范围和内容、试题的构造技术及能力要素。试题选材构造技术包括价值取向、学术领域、知识视野、社会背景、教育功能和导向功能等多维要素,能力要素包括一二级能力指标,一级指标包括"知识了解"、"知识理解"、"规则运用"、"问题探究"等,在具体命题时还应考虑主体内容的"能力亚层"、"题干特征"、"答案特征"三方面的要素。     

应用化学专业英语教学的实践与探讨

结合应用化学专业英语的教学实践，探讨了提高应用化学专业英语教学质量的多元化教学模式和灵活多样的教学手段。     

关于《环境化学》教学的几点认识

在总结环境化学课程基本特点的基础上,针对蚌埠学院环境科学专业本科培养目标和特色,结合教学实践,对提高教学质量及学生的学习兴趣提出几点思考,希望为进一步提高该专业人才培养质量提供参考。     

化学教学要渗透STS教育

STS教育是近年来世界各国理科教育改革中形成的,强调以科学、技术和社会相互关系为指导思想而组织实施的科学教育.它注重人的科学素养培养.化学教学中开展STS教育有利于学生知识的获得、科学方法的形成和科学能力的发展,可以提高学生的科学素养,实现人与自然的和谐发展.     

Question Posing, Inquiry, and Modeling Skills of Chemistry Students in the Case-Based Computerized Laboratory Environment

A new learning unit in chemistry, Case-based Computerized Laboratories (CCL) and Computerized Molecular Modeling (CMM) was developed at the Technion. The CCL and CMM curriculum integrates computerized desktop experiments and molecular modeling with an emphasis on scientific inquiry and case studies. Our research aimed at investigating the effect of the CCL and CMM learning environment on students’ higher-order thinking skills of question posing, inquiry, and modeling. The experimental group included 614 honors 12th grade chemistry students from high schools in Israel who studied according to this learning unit. The comparison group consisted of 155 12th grade chemistry honors students who studied other chemistry programs. Pre- and post-tests questionnaires were used to assess students’ higher-order thinking skills. Students’ responses were analyzed using content analysis rubrics and their statistical analysis. Our findings indicated that the scores of the experimental group students improved significantly in question posing, inquiry and modeling skills from the pre-test to the post-test. The net gain scores of the experimental group students were significantly higher than those of their comparison peers in all three examined skills. In modeling skills, experimental group students significantly improved their achievements in making the transfer from 3D models to structural formulae, but only about half of them were able to transfer from formulae to 3D models. By presenting a case-based chemistry assessment tool and content analysis of students’ responses in this paper, we enable teachers and educators to analyze their students’ higher-order thinking skills both qualitatively and quantitatively.     

化学实验教学中心的建设与探索

文中根据实验教学中心建设中的经验,详实地阐述校中心建设的发展思路和发展历程,对硬件建设、软件建设、运行管理等方面进行了创新性的尝试,并已取得了显著的成效。