我们知道,物理学上的许多重大的发现,著名的规律、定律的得出都是科学家们在观察事物的基础上,大胆地提出科学的假说,然后进行无数次的实验,最终得到真谛。根据教育学、心理学原理,在学生认知过程中,经常伴有好奇、猜想(假说)、惊讶、困惑、感到棘手、紧张的沉思与期待,能够促使学生去寻找理由和证明,激发学生学习的兴趣,使学生用科学的观点来评价现象和 We know that many of the major discoveries in physics, the well-known laws and laws derive from the fact that scientists make bold scientific hypotheses on the basis of observing things, and then carry out countless experiments to gain the ultimate truth. According to the principles of pedagogy and psychology, curiosity, conjecture (hypothesis), astonishment, confusion, thorny and intense contemplation and expectation often accompany students’ cognition, which can prompt students to find reason and provocation and stimulate students to learn Interest, so that students use the scientific point of view to evaluate the phenomenon and