“声现象”在我们的日常生活中无处不在,中考也不乏相关知识的考查。现结合江西省中考物理考试说明,对声现象中考考点进行梳理,并在文后附有中考相关真题,供同学们学习之用。考点一、声音产生和传播的条件“通过实验,认识声音的产生和传播条件”是中考说明里面对本考点的阐述。结合教材,我们知道:声音是由物体的振动产生的,声音的传播需要 “Sound phenomenon ” everywhere in our daily life, there is no lack of knowledge in the examination of the examination. Now combined with Jiangxi Province in the physical examination test description of the sound phenomena in the test centers to sort out, and in the text attached to the test-related Zhenti, for students to learn. A test site, the conditions for the production and dissemination of sound “Through experiments, understanding of the conditions of the production and dissemination of ” is the description of the exam inside the description of the test center. Combined with the textbook, we know: sound is generated by the vibration of objects, the spread of sound needs