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多年教学实践使我体会到,在物理教学中,对于好的典型习题,指导学生悉心探求多种思路和方法,可以激发学习兴趣,使思维得到创造性发散,深层次挖掘智力潜能,培养创新能力.现举一例如下:题目将质量为 m_1kg 的铜块放置于漂浮在水面上的木块上,恰能使木块全部浸入水中,而铜块仍留在空气中,如果把质量为 m_2的铜块挂在木块下面,也恰使木块全部浸入水中,求m_1与 m_2之比.
Many years of teaching practice have made me realize that in physics teaching, for students with typical problems, guiding students to explore various ideas and methods, they can inspire interest in learning, make the thoughts be creatively divergence, deepen intelligence potential, and cultivate innovative capabilities. An example is as follows: Title Place a mass of m_1kg copper block on a wooden block floating on the surface of the water, so that the block can be completely immersed in water while the copper block remains in the air. If the mass of m_2 copper blocks Hung under the wooden block, just immersed in the water, and find the ratio of m_1 to m_2.