Frequently used main verbs of substantive achievement standards for high school physics curriculum(%).
| Curriculum revision | Verbs | Total | |||||||||||
| Understand | Explain | Know | Calculate | Exemplify | Etc. | ||||||||
| 1997(7th) | 49* | (42.6) | 6 | (5.2) | 13 | (11.3) | 0 | (0.0) | 2 | (1.7) | 45 | (39.1) | 115 |
| 2007 rev. | 19 | (25.0) | 32* | (42.1) | 12 | (15.8) | 1 | (1.3) | 5 | (6.6) | 7 | (9.2) | 76 |
| 2009 rev. | 94* | (65.7) | 7 | (4.9) | 33 | (23.1) | 4 | (2.8) | 1 | (0.7) | 4 | (2.8) | 143 |
| 2015 rev. | 8 | (10.3) | 40* | (51.3) | 4 | (5.1) | 7 | (9.0) | 2 | (2.6) | 17 | (21.8) | 78 |
| 2022 rev. | 16 | (16.0) | 27* | (27.0) | 14 | (14.0) | 2 | (2.0) | 4 | (4.0) | 37 | (37.0) | 100 |
| Sum | 186 | (36.3) | 112 | (21.9) | 76 | (14.8) | 14 | (2.7) | 14 | (2.7) | 110 | (21.5) | 512 |
*Most frequently used