[1] Sullivan S, Gnesdilow D, Puntambekar S, et al. Middle school students’ learning of mechanics concepts through engagement in different sequences of physical and virtual experiments[J]. International Journal of Science Education, 2017, 39(12): 1573-1600.
[2] Pathoni H, Kurniawan W, Kurniawan D A, et al. Motivation and Attitude of Students on Physics Subject in the Middle School in Indonesia[J]. International Education Studies, 2019, 12(9): 15-26.
[3] Chen C H. An adaptive scaffolding e-learning system for middle school students’ physics learning[J]. Australasian Journal of Educational Technology, 2014, 30(3).
[4] Sadler P M, Sonnert G, Coyle H P, et al. The influence of teachers’ knowledge on student learning in middle school physical science classrooms[J]. American Educational Research Journal, 2013, 50(5): 1020-1049.
[5] Anderson J L, Barnett M. Learning physics with digital game simulations in middle school science[J]. Journal of science edu-cation and technology, 2013, 22(6): 914-926.
[6] Wenno I H. The correlation study of interest at physics and knowledge of mathematics basic concepts towards the ability to solve physics problems of 7th grade students at junior high school in Ambon Maluku Province, Indonesia[J]. Education Research International, 2015.
[7] Finn K E, McInnis K J. Teachers' and students' perceptions of the active science curriculum: Incorporating physical activity into middle school science classrooms[J]. Physical Educator, 2014, 71(2): 234.
[8] Harvey S, Gil-Arias A, Claver F. Effects of teaching games for understanding on tactical knowledge development in middle school physical education[J]. Journal of Physical Education and Sport, 2020, 20(3): 1369-1379.
[9] Michael R D, Webster C, Patterson D, et al. Standards-based assessment, grading, and professional development of California middle school physical education teachers[J]. Journal of Teaching in Physical Education, 2016, 35(3): 277-283.
[10] Schwichow M, Zimmerman C, Croker S, et al. What students learn from hands‐on activities[J]. Journal of research in science teaching, 2016, 53(7): 980-1002.