帮忙写一下这张表，八年级上册物理实验报告，声音是怎样产生的，帮忙 初二物理：一个说明声音怎样产生的小实验
\u5e2e\u5fd9\u6574\u7406\u4e00\u4e0b\u521d\u4e2d\u7269\u7406\u5b9e\u9a8c\u8c22\u8c22\u4e861 \u516b\u5e74\u7ea7\u4e0a\u518c \u58f0\u97f3\u662f\u600e\u6837\u4ea7\u751f\u7684 \u3000
2 \u516b\u5e74\u7ea7\u4e0a\u518c \u771f\u7a7a\u4e0d\u80fd\u4f20\u58f0 \u3000 \u3000
3 \u516b\u5e74\u7ea7\u4e0a\u518c \u6db2\u4f53\u4f20\u58f0
4 \u516b\u5e74\u7ea7\u4e0a\u518c \u56fa\u4f53\u4f20\u58f0
5 \u516b\u5e74\u7ea7\u4e0a\u518c \u63a2\u7a76\u97f3\u8c03\u4e0e\u9891\u7387\u7684\u5173\u7cfb \u3000 \u3000
6 \u516b\u5e74\u7ea7\u4e0a\u518c \u89c2\u5bdf\u58f0\u97f3\u7684\u6ce2\u5f62 \u3000
7 \u516b\u5e74\u7ea7\u4e0a\u518c \u63a2\u7a76\u58f0\u97f3\u7684\u54cd\u5ea6\u4e0e\u4ec0\u4e48\u56e0\u7d20\u6709\u5173 \u3000 \u3000
8 \u516b\u5e74\u7ea7\u4e0a\u518c \u89c2\u5bdf\u4e0d\u540c\u4e50\u5668\u53d1\u58f0\u7684\u6ce2\u5f62\u56fe
9 \u516b\u5e74\u7ea7\u4e0a\u518c \u97f3\u8c03\u53ef\u53d8\u7684\u54e8\u5b50
10 \u516b\u5e74\u7ea7\u4e0a\u518c \u6c34\u74f6\u7434
11 \u516b\u5e74\u7ea7\u4e0a\u518c \u89c2\u5bdf\u566a\u58f0\u7684\u6ce2\u5f62 \u3000
12 \u516b\u5e74\u7ea7\u4e0a\u518c \u58f0\u97f3\u4f20\u9012\u80fd\u91cf \u3000 \u3000
13 \u516b\u5e74\u7ea7\u4e0a\u518c \u5149\u7684\u76f4\u7ebf\u4f20\u64ad \u3000 \u3000
14 \u516b\u5e74\u7ea7\u4e0a\u518c \u5c0f\u5b54\u6210\u50cf
15 \u516b\u5e74\u7ea7\u4e0a\u518c \u624b\u5f71
16 \u516b\u5e74\u7ea7\u4e0a\u518c \u63a2\u7a76\u5149\u53cd\u5c04\u65f6\u7684\u89c4\u5f8b \u3000 \u3000 \u3000
17 \u516b\u5e74\u7ea7\u4e0a\u518c \u63a2\u7a76\u5e73\u9762\u955c\u6210\u50cf\u7684\u7279\u70b9 \u3000 \u3000 \u3000
18 \u516b\u5e74\u7ea7\u4e0a\u518c \u5149\u7684\u6298\u5c04\u73b0\u8c61\uff08\u6c34\u6c60\u4e2d\u7269\u4f53\u4e0a\u5347\u4e86\u3001\u7b14\u9519\u4f4d\u4e86\u3001\u94c5\u7b14\u6298\u4e86\uff09 \u3000 \u3000
19 \u516b\u5e74\u7ea7\u4e0a\u518c \u5149\u7684\u8272\u6563\u73b0\u8c61 \u3000 \u3000
20 \u516b\u5e74\u7ea7\u4e0a\u518c \u63a2\u7a76\u8272\u5149\u7684\u6df7\u5408\u4e0e\u989c\u6599\u7684\u6df7\u5408\u7684\u89c4\u5f8b \u3000
21 \u516b\u5e74\u7ea7\u4e0a\u518c \u900f\u955c\u5bf9\u5149\u7684\u4f5c\u7528 \u3000 \u3000
22 \u516b\u5e74\u7ea7\u4e0a\u518c \u6d4b\u5b9a\u51f8\u900f\u955c\u7684\u7126\u8ddd \u3000 \u3000
23 \u516b\u5e74\u7ea7\u4e0a\u518c \u81ea\u5236\u6a21\u578b\u7167\u76f8\u673a \u3000
24 \u516b\u5e74\u7ea7\u4e0a\u518c \u63a2\u7a76\u6295\u5f71\u4eea\u6210\u50cf\u7684\u7279\u70b9 \u3000
25 \u516b\u5e74\u7ea7\u4e0a\u518c \u63a2\u7a76\u51f8\u900f\u955c\u6210\u50cf\u89c4\u5f8b \u3000 \u3000 \u3000
26 \u516b\u5e74\u7ea7\u4e0a\u518c \u8fd1\u89c6\u773c\u8fdc\u89c6\u773c\u6210\u56e0\u53ca\u5176\u77eb\u6b63\u6a21\u62df\u5b9e\u9a8c \u3000 \u3000
27 \u516b\u5e74\u7ea7\u4e0a\u518c \u81ea\u5236\u663e\u5fae\u955c \u3000 \u3000
28 \u516b\u5e74\u7ea7\u4e0a\u518c \u81ea\u5236\u671b\u8fdc\u955c
29 \u516b\u5e74\u7ea7\u4e0a\u518c \u81ea\u5236\u6e29\u5ea6\u8ba1 \u3000 \u3000
30 \u516b\u5e74\u7ea7\u4e0a\u518c \u6e29\u5ea6\u8ba1\u7684\u4f7f\u7528\uff08\u89c2\u5bdf\u5404\u79cd\u6e29\u5ea6\u8ba1\uff09 \u3000 \u3000
31 \u516b\u5e74\u7ea7\u4e0a\u518c \u63a2\u7a76\u56fa\u4f53\u7194\u5316\u65f6\u6e29\u5ea6\u7684\u53d8\u5316\u89c4\u5f8b \u3000 \u3000
32 \u516b\u5e74\u7ea7\u4e0a\u518c \u6f14\u793a\u6c7d\u5316\u548c\u6db2\u5316\u73b0\u8c61 \u3000 \u3000
33 \u516b\u5e74\u7ea7\u4e0a\u518c \u63a2\u7a76\u6c34\u7684\u6cb8\u817e \u3000 \u3000 \u3000
34 \u516b\u5e74\u7ea7\u4e0a\u518c \u7eb8\u9505\u70e7\u6c34
35 \u516b\u5e74\u7ea7\u4e0a\u518c \u84b8\u53d1\u5438\u70ed\u3001\u5f71\u54cd\u84b8\u53d1\u7684\u56e0\u7d20 \u3000 \u3000
36 \u516b\u5e74\u7ea7\u4e0a\u518c \u6f14\u793a\u5347\u534e\u548c\u51dd\u534e\u73b0\u8c61 \u3000 \u3000
37 \u516b\u5e74\u7ea7\u4e0a\u518c \u6469\u64e6\u8d77\u7535 \u3000 \u3000
38 \u516b\u5e74\u7ea7\u4e0a\u518c \u7535\u8377\u95f4\u7684\u76f8\u4e92\u4f5c\u7528 \u3000 \u3000
39 \u516b\u5e74\u7ea7\u4e0a\u518c \u7535\u8377\u5728\u5bfc\u4f53\u4e2d\u7684\u5b9a\u5411\u79fb\u52a8 \u3000 \u3000
40 \u516b\u5e74\u7ea7\u4e0a\u518c \u7535\u8def\u7684\u8fde\u63a5 \u3000 \u3000
41 \u516b\u5e74\u7ea7\u4e0a\u518c \u7ec4\u88c5\u4e32\u5e76\u8054\u7535\u8def \u3000 \u3000 \u3000
42 \u516b\u5e74\u7ea7\u4e0a\u518c \u7535\u6d41\u8868\u7684\u4f7f\u7528 \u3000 \u3000 \u3000
43 \u516b\u5e74\u7ea7\u4e0a\u518c \u63a2\u7a76\u4e32\u3001\u5e76\u8054\u7535\u8def\u7535\u6d41\u7684\u89c4\u5f8b \u3000 \u3000 \u3000
44 \u516b\u5e74\u7ea7\u4e0b\u518c \u4e24\u8282\u7535\u6c60\u5728\u706f\u6ce1\u4e24\u7aef\u4ea7\u751f\u8f83\u9ad8\u7684\u7535\u538b \u3000 \u3000 \u3000
45 \u516b\u5e74\u7ea7\u4e0b\u518c \u7535\u538b\u8868\u7684\u4f7f\u7528 \u3000 \u3000 \u3000
46 \u516b\u5e74\u7ea7\u4e0b\u518c \u63a2\u7a76\u4e32\u5e76\u8054\u7535\u8def\u7535\u538b\u7684\u89c4\u5f8b \u3000 \u3000 \u3000
47 \u516b\u5e74\u7ea7\u4e0b\u518c \u6f14\u793a\u4e0d\u540c\u5bfc\u4f53\u7535\u963b\u7684\u5927\u5c0f \u3000 \u3000 \u3000
48 \u516b\u5e74\u7ea7\u4e0b\u518c \u63a2\u7a76\u51b3\u5b9a\u5bfc\u4f53\u7535\u963b\u5927\u5c0f\u7684\u56e0\u7d20 \u3000 \u3000
49 \u516b\u5e74\u7ea7\u4e0b\u518c \u7528\u94c5\u7b14\u82af\u63a7\u5236\u5c0f\u706f\u6ce1\u7684\u4eae\u5ea6 \u3000 \u3000 \u3000
50 \u516b\u5e74\u7ea7\u4e0b\u518c \u63a2\u7a76\u600e\u6837\u7528\u6ed1\u52a8\u53d8\u963b\u5668\u6539\u53d8\u5c0f\u706f\u6ce1\u7684\u4eae\u5ea6 \u3000 \u3000 \u3000
51 \u516b\u5e74\u7ea7\u4e0b\u518c \u63a2\u7a76\u7535\u963b\u4e0a\u7535\u6d41\u8ddf\u4e24\u7aef\u7535\u538b\u7684\u5173\u7cfb \u3000 \u3000 \u3000
52 \u516b\u5e74\u7ea7\u4e0b\u518c \u63a2\u7a76\u4e32\u8054\u603b\u7535\u963b\u4e0e\u5206\u7535\u963b\u7684\u5173\u7cfb \u3000 \u3000 \u3000
53 \u516b\u5e74\u7ea7\u4e0b\u518c \u63a2\u7a76\u5e76\u8054\u603b\u7535\u963b\u4e0e\u5206\u7535\u963b\u7684\u5173\u7cfb \u3000 \u3000 \u3000
54 \u516b\u5e74\u7ea7\u4e0b\u518c \u7528\u4f0f\u5b89\u6cd5\u6d4b\u91cf\u5c0f\u706f\u6ce1\u7684\u7535\u963b \u3000 \u3000 \u3000
55 \u516b\u5e74\u7ea7\u4e0b\u518c \u7528\u7535\u80fd\u8868\u6f14\u793a\u706f\u6ce1\u7535\u529f\u7387\u7684\u5927\u5c0f \u3000 \u3000 \u3000
56 \u516b\u5e74\u7ea7\u4e0b\u518c \u6f14\u793a\u5b9e\u9645\u529f\u7387\u4e0e\u5b9e\u9645\u7535\u538b\u7684\u5173\u7cfb \u3000 \u3000 \u3000
57 \u516b\u5e74\u7ea7\u4e0b\u518c \u7528\u4f0f\u5b89\u6cd5\u6d4b\u91cf\u5c0f\u706f\u6ce1\u7684\u7535\u529f\u7387 \u3000 \u3000 \u3000
58 \u516b\u5e74\u7ea7\u4e0b\u518c \u63a2\u7a76\u7535\u6d41\u4ea7\u751f\u7684\u70ed\u91cf\u4e0e\u4ec0\u4e48\u56e0\u7d20\u6709\u5173 \u3000 \u3000 \u3000
59 \u516b\u5e74\u7ea7\u4e0b\u518c \u6f14\u793a\u4fdd\u9669\u4e1d\u5728\u5bb6\u5ead\u7535\u8def\u4e2d\u7684\u4f5c\u7528 \u3000 \u3000 \u3000
60 \u516b\u5e74\u7ea7\u4e0b\u518c \u8bd5\u7535\u7b14\u7684\u4f7f\u7528 \u3000 \u3000 \u3000
61 \u516b\u5e74\u7ea7\u4e0b\u518c \u6f0f\u7535\u4fdd\u62a4\u5f00\u5173\u7684\u4f5c\u7528 \u3000 \u3000 \u3000
62 \u516b\u5e74\u7ea7\u4e0b\u518c \u6f14\u793a\u78c1\u4f53\u3001\u78c1\u6027\u3001\u78c1\u6781\u3001\u78c1\u5316\u73b0\u8c61 \u3000 \u3000 \u3000
63 \u516b\u5e74\u7ea7\u4e0b\u518c \u6f14\u793a\u78c1\u573a\u7684\u65b9\u5411 \u3000 \u3000 \u3000
64 \u516b\u5e74\u7ea7\u4e0b\u518c \u7535\u6d41\u7684\u78c1\u6548\u5e94 \u3000 \u3000 \u3000
65 \u516b\u5e74\u7ea7\u4e0b\u518c \u63a2\u7a76\u901a\u7535\u87ba\u7ebf\u7ba1\u78c1\u573a\u7684\u7279\u5f81 \u3000 \u3000 \u3000
66 \u516b\u5e74\u7ea7\u4e0b\u518c \u7814\u7a76\u7535\u78c1\u94c1 \u3000 \u3000 \u3000
67 \u516b\u5e74\u7ea7\u4e0b\u518c \u7535\u78c1\u7ee7\u7535\u5668\u7684\u4f7f\u7528 \u3000 \u3000 \u3000
68 \u516b\u5e74\u7ea7\u4e0b\u518c \u78c1\u573a\u5bf9\u901a\u7535\u76f4\u5bfc\u7ebf\u7684\u4f5c\u7528 \u3000 \u3000 \u3000
69 \u516b\u5e74\u7ea7\u4e0b\u518c \u78c1\u573a\u5bf9\u901a\u7535\u7ebf\u5708\u7684\u4f5c\u7528 \u3000 \u3000 \u3000
70 \u516b\u5e74\u7ea7\u4e0b\u518c \u7535\u78c1\u611f\u5e94\u73b0\u8c61 \u3000 \u3000 \u3000
71 \u516b\u5e74\u7ea7\u4e0b\u518c \u624b\u6447\u53d1\u7535\u673a\u7684\u6784\u9020\u4e0e\u4f7f\u7528 \u3000 \u3000 \u3000
72 \u516b\u5e74\u7ea7\u4e0b\u518c \u6f14\u793a\u7535\u78c1\u6ce2\u7684\u4ea7\u751f \u3000 \u3000 \u3000
73 \u516b\u5e74\u7ea7\u4e0b\u518c \u6f14\u793a\u7535\u78c1\u6ce2\u53ef\u4ee5\u5728\u771f\u7a7a\u4e2d\u4f20\u64ad \u3000 \u3000 \u3000
74 \u516b\u5e74\u7ea7\u4e0b\u518c \u6f14\u793a\u5149\u80fd\u6cbf\u7740\u6c34\u6d41\u4f20\u64ad \u3000 \u3000 \u3000
75 \u4e5d\u5e74\u7ea7 \u5929\u5e73\u7684\u4f7f\u7528 \u3000 \u3000
76 \u4e5d\u5e74\u7ea7 \u63a2\u7a76\u540c\u79cd\u7269\u8d28\u8d28\u91cf\u4e0e\u4f53\u79ef\u7684\u5173\u7cfb \u3000 \u3000
77 \u4e5d\u5e74\u7ea7 \u7528\u5929\u5e73\u548c\u91cf\u7b52\u6d4b\u91cf\u7269\u8d28\u7684\u5bc6\u5ea6 \u3000 \u3000 \u3000
78 \u4e5d\u5e74\u7ea7 \u63a2\u7a76\u5bc6\u5ea6\u4e0e\u6e29\u5ea6\u7684\u5173\u7cfb \u3000 \u3000 \u3000
79 \u4e5d\u5e74\u7ea7 \u7528\u523b\u5ea6\u5c3a\u6d4b\u91cf\u7269\u4f53\u7684\u957f\u5ea6 \u3000 \u3000 \u3000
80 \u4e5d\u5e74\u7ea7 \u7528\u505c\u8868\u3001\u7535\u5b50\u8868\u6d4b\u91cf\u65f6\u95f4 \u3000 \u3000 \u3000
81 \u4e5d\u5e74\u7ea7 \u6f14\u793a\u529b\u7684\u4f5c\u7528\u6548\u679c \u3000 \u3000 \u3000
82 \u4e5d\u5e74\u7ea7 \u529b\u7684\u4e09\u8981\u7d20\u5bf9\u529b\u7684\u4f5c\u7528\u6548\u679c\u7684\u5f71\u54cd \u3000 \u3000 \u3000
83 \u4e5d\u5e74\u7ea7 \u7269\u4f53\u95f4\u529b\u7684\u4f5c\u7528\u662f\u76f8\u4e92\u7684 \u3000 \u3000 \u3000
84 \u4e5d\u5e74\u7ea7 \u963b\u529b\u5bf9\u7269\u4f53\u8fd0\u52a8\u7684\u5f71\u54cd \u3000 \u3000 \u3000
85 \u4e5d\u5e74\u7ea7 \u6f14\u793a\u60ef\u6027\u73b0\u8c61 \u3000 \u3000 \u3000
86 \u4e5d\u5e74\u7ea7 \u63a2\u7a76\u4e8c\u529b\u5e73\u8861\u7684\u6761\u4ef6 \u3000 \u3000 \u3000
87 \u4e5d\u5e74\u7ea7 \u63a2\u7a76\u5f39\u7c27\u6d4b\u529b\u8ba1\u7684\u4f7f\u7528 \u3000 \u3000 \u3000
88 \u4e5d\u5e74\u7ea7 \u6a21\u62df\u5f15\u529b \u3000 \u3000 \u3000
89 \u4e5d\u5e74\u7ea7 \u91cd\u529b\u7684\u5927\u5c0f\u4e0e\u4ec0\u4e48\u56e0\u7d20\u6709\u5173 \u3000 \u3000 \u3000
90 \u4e5d\u5e74\u7ea7 \u6469\u64e6\u529b\u7684\u5927\u5c0f\u4e0e\u4ec0\u4e48\u56e0\u7d20\u6709\u5173 \u3000 \u3000 \u3000
91 \u4e5d\u5e74\u7ea7 \u63a2\u7a76\u6760\u6746\u7684\u5e73\u8861\u6761\u4ef6 \u3000 \u3000 \u3000
92 \u4e5d\u5e74\u7ea7 \u6bd4\u8f83\u5b9a\u6ed1\u8f6e\u548c\u52a8\u6ed1\u8f6e\u7684\u7279\u70b9 \u3000 \u3000
93 \u4e5d\u5e74\u7ea7 \u63a2\u7a76\u538b\u529b\u7684\u4f5c\u7528\u6548\u679c\u8ddf\u4ec0\u4e48\u56e0\u7d20\u6709\u5173 \u3000 \u3000 \u3000
94 \u4e5d\u5e74\u7ea7 \u63a2\u7a76\u6db2\u4f53\u5185\u90e8\u538b\u5f3a\u7684\u7279\u70b9 \u3000 \u3000 \u3000
95 \u4e5d\u5e74\u7ea7 \u6f14\u793a\u8fde\u901a\u5668\u539f\u7406 \u3000 \u3000 \u3000
96 \u4e5d\u5e74\u7ea7 \u7528\u5f39\u7c27\u6d4b\u529b\u8ba1\u548c\u5438\u76d8\u6d4b\u91cf\u5927\u6c14\u538b \u3000 \u3000 \u3000
97 \u4e5d\u5e74\u7ea7 \u6258\u91cc\u62c6\u5229\u5b9e\u9a8c \u3000 \u3000
98 \u4e5d\u5e74\u7ea7 \u9a6c\u5fb7\u5821\u534a\u7403\u5b9e\u9a8c \u3000 \u3000 \u3000
99 \u4e5d\u5e74\u7ea7 \u63a2\u7a76\u5927\u6c14\u538b\u4e0e\u9ad8\u5ea6\u7684\u5173\u7cfb\uff08\u81ea\u5236\u6c14\u538b\u8ba1\uff09 \u3000 \u3000 \u3000
100 \u4e5d\u5e74\u7ea7 \u63a2\u7a76\u6c14\u4f53\u538b\u5f3a\u4e0e\u6d41\u901f\u7684\u5173\u7cfb\uff08\u7eb8\u95f4\u5439\u6c14\u4e24\u7eb8\u5408\u62e2\u3001\u7ba1\u53e3\u5439\u6c14\u7ba1\u4e2d\u6c34\u4e0a\u5347\uff09 \u3000 \u3000 \u3000
101 \u4e5d\u5e74\u7ea7 \u63a2\u7a76\u963f\u57fa\u7c73\u5fb7\u539f\u7406 \u3000 \u3000 \u3000
102 \u4e5d\u5e74\u7ea7 \u63a2\u7a76\u7269\u4f53\u7684\u6d6e\u6c89\u6761\u4ef6 \u3000 \u3000 \u3000
103 \u4e5d\u5e74\u7ea7 \u63a2\u7a76\u529f\u7684\u539f\u7406 \u3000 \u3000 \u3000
104 \u4e5d\u5e74\u7ea7 \u63a2\u7a76\u659c\u9762\u7684\u673a\u68b0\u6548\u7387 \u3000 \u3000 \u3000
105 \u4e5d\u5e74\u7ea7 \u63a2\u7a76\u52a8\u80fd\u7684\u5927\u5c0f\u4e0e\u4ec0\u4e48\u56e0\u7d20\u6709\u5173 \u3000 \u3000 \u3000
106 \u4e5d\u5e74\u7ea7 \u63a2\u7a76\u91cd\u529b\u52bf\u80fd\u7684\u5927\u5c0f\u4e0e\u4ec0\u4e48\u56e0\u7d20\u6709\u5173 \u3000 \u3000 \u3000
107 \u4e5d\u5e74\u7ea7 \u52a8\u80fd\u4e0e\u52bf\u80fd\u7684\u76f8\u4e92\u8f6c\u5316 \u3000 \u3000 \u3000
108 \u4e5d\u5e74\u7ea7 \u673a\u68b0\u80fd\u5b88\u6052\uff08\u6eda\u6446\u3001\u5355\u6446\u5b9e\u9a8c\uff09 \u3000 \u3000 \u3000
109 \u4e5d\u5e74\u7ea7 \u6c14\u4f53\u3001\u6db2\u4f53\u3001\u56fa\u4f53\u7684\u6269\u6563\u73b0\u8c61 \u3000 \u3000 \u3000
110 \u4e5d\u5e74\u7ea7 \u63a2\u7a76\u5f71\u54cd\u6269\u6563\u5feb\u6162\u7684\u4e3b\u8981\u56e0\u7d20 \u3000 \u3000 \u3000
111 \u4e5d\u5e74\u7ea7 \u63a2\u7a76\u5206\u5b50\u95f4\u7684\u4f5c\u7528\u529b \u3000 \u3000 \u3000
112 \u4e5d\u5e74\u7ea7 \u6f14\u793a\u6539\u53d8\u7269\u4f53\u5185\u80fd\u7684\u65b9\u6cd5 \u3000 \u3000 \u3000
113 \u4e5d\u5e74\u7ea7 \u6bd4\u8f83\u4e0d\u540c\u7269\u8d28\u7684\u5438\u70ed\u80fd\u529b \u3000 \u3000 \u3000
114 \u4e5d\u5e74\u7ea7 \u6f14\u793a\u70ed\u673a\u7684\u539f\u7406 \u3000 \u3000 \u3000
115 \u4e5d\u5e74\u7ea7 \u6f14\u793a\u56db\u51b2\u7a0b\u5185\u71c3\u673a\u7684\u5de5\u4f5c\u8fc7\u7a0b \u3000 \u3000
116 \u4e5d\u5e74\u7ea7 \u7528\u706b\u67f4\u6a21\u62df\u94fe\u5f0f\u53cd\u5e94 \u3000 \u3000 \u3000
117 \u4e5d\u5e74\u7ea7 \u81ea\u5236\u592a\u9633\u80fd\u96c6\u70ed\u5668
\u5728\u684c\u9762\u4e0a\u653e\u7f6e\u4e00\u4e9b\u5c0f\u7eb8\u5c51\uff0c\u7528\u529b\u6572\u684c\u5b50\uff0c\u684c\u5b50\u53d1\u58f0\uff0c\u540c\u65f6\u770b\u89c1\u7eb8\u5c51\u8df3\u52a8\uff0c
实验探究内容：声音是如何产生的实验目的: 熟悉声音发生的原理，进行发声实验。探测声音的特性。
对于 声音是如何产生的
猜想与假设： 我猜想 声音是由震动产生的
依据是 在我说话时，我能感觉喉咙内部有震动。
实验器材: 钢尺、皮筋、音叉、半杯水、
实验步骤：我们用力掰弯钢尺，拿起来轻轻敲打观察。
用力拉皮筋，轻轻拨动皮筋观察。
击打音叉，轻轻放入水面。观察到水面。
实验现象数据：用力掰弯钢尺不发声音，但轻轻敲打会发出声音。
用力拉皮筋不发声音，轻轻拨动会发出声音。
正在发出声音的音叉放在水面2MM处，水面会震动。并且随着音量大小而变化，音量越大震动越强烈。
实验结论与解释：声音是由震动所产生的。声音的传播介质会改变声音效果、大小。
钢尺不震动则不会发出声音，但轻轻敲打使其震动则产生声音。皮筋同理。而音叉在没接触水面的情况下使水面震动了，则说明声音是一种能量，由震动所产生的能量，并且会通过空气传播。
交流与思考：声音的本质是震动所产生的能量。而声音不会一直无限传播下去，就算一个物体持续发出声音，在足够远的地方我们还是听不到。说明在传播过程中会逐渐减弱消失。
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