声音是由物体
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\u7518\u8083\u7701 364\u4eba 22\u4eba 7560\u4eba
\u9655\u897f\u7701 114\u4eba
\u91cd\u5e86\u5e02 16\u4eba 637\u4eba
\u91cd\u5e86\u5e02\u6881\u5e73\u53bf \u5b66\u751f\u6b7b\u4ea1\u4eba\u6570\u589e\u81f35\u4eba
\u6cb3\u5357\u7701 2\u4eba 7\u4eba
\u4e91\u5357\u7701 1\u4eba 51\u4eba
\u6e56\u5317\u7701 1\u4eba 14\u4eba
\u8d35\u5dde\u7701 1\u4eba 15\u4eba
\u6e56\u5357\u7701 1\u4eba
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\u7edf\u8ba1\u8bf4\u660e \u6210\u90fd\u5e02\uff08\u5e02\u533a\u3001\u90fd\u6c5f\u5830\u5e02\u3001\u5f6d\u5dde\u5e02\u3001\u53cc\u6d41\u533a(\u673a\u573a\u6240\u5728\u5730)\uff09\uff1b\u963f\u575d\u5dde\uff08\u6c76\u5ddd\u53bf\u3001\u7406\u53bf\u3001\u8302\u53bf\u3001\u9a6c\u5c14\u5eb7(\u5dde\u5e9c)\uff09\uff1b\u7ef5\u9633\u5e02\uff08\u5317\u5ddd\u53bf\u3001\u5b89\u53bf\u3001\u5e73\u6b66\u53bf\u3001\u4e5d\u5be8\u6c9f\u53bf\uff09\uff1b\u5fb7\u9633\u5e02\uff08\u4ec0\u90a1\u5e02\u3001\u7ef5\u7af9\u5e02\uff09\uff1b\u5e7f\u5143\u5e02\uff08\u9752\u5ddd\u53bf\uff09\u3002
\u56fa\u4f53
声音是由物体振动产生的，声音不能在真空中传播；人喊话求救，声音主要是靠空气传播到外界，而敲击物体发出的声音主要是通过固体传播到外界，由于固体传播声音的效果好于气体，所以被困人员往往采用后者向外界求救，因为固体传声比气体好；
声音是波的方式传播，声波能使物体振动，能粉碎小石头，这表明声音具有能量．
光能使周围变得明亮，变得温暖，说明光具有热效应；还能使胶卷感光，这说明光还具有化学效应，所以说光具有能量．
故答案为：振动；真空；固体；能量．
绛旓細澹伴煶鏄敱鐗╀綋锛 鎸姩锛変骇鐢熺殑,涓嬪湪鍙戝０鐨勭墿浣撳彨鍋氾紙 澹版簮锛= =
绛旓細澹伴煶鏄敱鐗╀綋锛堟尟鍔 锛変骇鐢熺殑
绛旓細澹伴煶鏄敱鐗╀綋鐨勬尟鍔ㄤ骇鐢熺殑
绛旓細鎴戜滑鍙互閫氳繃瀹為獙鏉ヨ瘉鏄庯紝鍦ㄩ紦闈笂鏀句簺鐞愮鐨勭焊鐗囷紝鏁插嚮榧撻潰锛屾垜浠彲浠ュ惉鍒板０闊筹紝鍚屾椂绾哥墖璺冲姩锛岃鏄澹伴煶鏄敱鐗╀綋鐨勬尟鍔ㄨ屼骇鐢熺殑锛庢晠绛旀鏄細鎸姩锛
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绛旓細澹伴煶鏄敱鐗╀綋鎸姩浜х敓鐨勫０娉傛槸閫氳繃浠嬭川锛堢┖姘旀垨鍥轰綋銆佹恫浣擄級浼犳挱骞惰兘琚汉鎴栧姩鐗╁惉瑙夊櫒瀹樻墍鎰熺煡鐨勬尝鍔ㄧ幇璞°傛渶鍒濆彂鍑烘尟鍔紙闇囧姩锛夌殑鐗╀綋鍙０婧愩傚０闊充互娉㈢殑褰㈠紡鎸姩锛堥渿鍔級浼犳挱銆傚０闊虫槸澹版尝閫氳繃浠讳綍鐗╄川浼犳挱褰㈡垚鐨勮繍鍔ㄣ傚０闊充綔涓轰竴绉嶆尝锛岄鐜囧湪20 Hz~20 kHz涔嬮棿鐨勫０闊虫槸鍙互琚汉鑰宠瘑鍒殑銆
绛旓細鎸姩 鎸姩
绛旓細鎸姩锛岃繖鏄墿鐞嗗畾涔夛紝鎯冲濂界墿鐞嗭紝涔︽湰涓婄殑鐭ヨ瘑鏄濂藉ソ鎺屾彙鐨勶紝鏈涢噰绾
绛旓細鎸姩浜х敓銆傘傘
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