提高初中科学课堂练习有效性的练习设计研究

Practice Design Study on Improving the Effectiveness of Junior High School Science Classroom Practice

课堂练习是课堂教学的一个重要环节。课堂练习设计的质量直接影响学生对知识的掌握程度和学生学习知识的效率。笔者通过对学生测验中错误原因的统计，提出了五种有效的练习设计模式并希望通过实验的方式来验证这些练习模式是否能有效提高初中科学课堂练习的有效性。

Classroom practice is an important part of classroom teaching. The quality of classroom exercises design directly impact on students＇ knowledge mastery and students＇ learning. The author on the cause of the error in the student test statistics, put forward five effective practice design patterns and experimental way to verify whether the practice mode can effectively improve the junior high school science classrooms and practice effectiveness.