“在场观察”是基于课堂观察的课堂评估方式,我们试图通过对观察结果进行定量、定性的分析,反思改进教学促进学生科学素养的发展。在综合考虑确立观察的维度后,我们以《七色光》一课为例,制定了相应的测查量表、测查规程并实施了在场观察,评估学生学习成果、思维发展、学习情绪及社会交往能力发展,并通过对观察结果的分析,进行了相应反思。 “Observing ” is a classroom assessment method based on classroom observation. We try to reflect on the observation to improve the students’ scientific literacy through quantitative and qualitative analysis. Taking into account the “seven-color light” lesson, we formulated the corresponding questionnaire, examined the procedure and implemented the on-the-spot observation to assess the students’ learning outcomes, thinking development, learning emotion and society The development of communicative competence, and through the analysis of the observation results, the corresponding reflection.