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液体传声的演示.doc

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液体传声的演示 液体传声得演示 DIV、MyFav_1279242211671 P、MsoNormal{FONT-WEIGHT: bold; TEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 16pt; MARGIN: 0cm 0cm 0pt; FONT—FAMILY: 宋体; TEXT—ALIGN: justify}DIV。MyFav_1279242211671 LI、MsoNormal{FONT-WEIGHT: bold; TEXT-JUSTIFY: inter-ideograph; FONT—SIZE: 16pt; MARGIN: 0cm 0cm 0pt; FONT—FAMILY: 宋体; TEXT-ALIGN: justify}DIV、MyFav_1279242211671 DIV、MsoNormal{FONT-WEIGHT: bold; TEXT—JUSTIFY: inter—ideograph; FONT—SIZE: 16pt; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: 宋体; TEXT—ALIGN: justify}DIV、MyFav_1279242211671 P、MsoBodyText{FONT—WEIGHT: bold; TEXT—JUSTIFY: inter-ideograph; FONT—SIZE: 16pt; MARGIN: 0cm 0cm 0pt; FONT—FAMILY: 宋体; TEXT-ALIGN: justify}DIV、MyFav_1279242211671 LI、MsoBodyText{FONT-WEIGHT: bold; TEXT—JUSTIFY: inter-ideograph; FONT-SIZE: 16pt; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: 宋体; TEXT-ALIGN: justify}DIV。MyFav_1279242211671 DIV。MsoBodyText{FONT-WEIGHT: bold; TEXT—JUSTIFY: inter-ideograph; FONT-SIZE: 16pt; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: 宋体; TEXT-ALIGN: justify}DIV。MyFav_1279242211671 P。MsoBodyTextIndent2{FONT-WEIGHT: bold; TEXT—JUSTIFY: inter-ideograph; FONT—SIZE: 10。5pt; MARGIN: 0cm 0cm 6pt 21pt; LINE—HEIGHT: 200%; FONT-FAMILY: 宋体; TEXT—ALIGN: justify}DIV、MyFav_1279242211671 LI。MsoBodyTextIndent2{FONT—WEIGHT: bold; TEXT—JUSTIFY: inter—ideograph; FONT-SIZE: 10、5pt; MARGIN: 0cm 0cm 6pt 21pt; LINE—HEIGHT: 200%; FONT-FAMILY: 宋体; TEXT-ALIGN: justify}DIV、MyFav_1279242211671 DIV。MsoBodyTextIndent2{FONT—WEIGHT: bold; TEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10、5pt; MARGIN: 0cm 0cm 6pt 21pt; LINE-HEIGHT: 200%; FONT-FAMILY: 宋体; TEXT-ALIGN: justify}DIV。MyFav_1279242211671 P。MsoBodyTextIndent3{FONT-WEIGHT: bold; TEXT—JUSTIFY: inter—ideograph; FONT—SIZE: 8pt; MARGIN: 0cm 0cm 6pt 21pt; FONT-FAMILY: 宋体; TEXT-ALIGN: justify}DIV、MyFav_1279242211671 LI、MsoBodyTextIndent3{FONT-WEIGHT: bold; TEXT-JUSTIFY: inter—ideograph; FONT—SIZE: 8pt; MARGIN: 0cm 0cm 6pt 21pt; FONT-FAMILY: 宋体; TEXT—ALIGN: justify}DIV、MyFav_1279242211671 DIV、MsoBodyTextIndent3{FONT—WEIGHT: bold; TEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 8pt; MARGIN: 0cm 0cm 6pt 21pt; FONT—FAMILY: 宋体; TEXT-ALIGN: justify}DIV。MyFav_1279242211671 A:link{COLOR: #565656; FONT-FAMILY: Verdana; TEXT—DECORATION: none}DIV。MyFav_1279242211671 SPAN。MsoHyperlink{COLOR: #565656; FONT-FAMILY: Verdana; TEXT—DECORATION: none}DIV。MyFav_1279242211671 A:visited{COLOR: purple; TEXT-DECORATION: underline}DIV、MyFav_1279242211671 SPAN、MsoHyperlinkFollowed{COLOR: purple; TEXT—DECORATION: underline}DIV、MyFav_1279242211671 P。MsoDocumentMap{FONT—WEIGHT: bold; TEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 16pt; BACKGROUND: navy; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: 宋体; TEXT-ALIGN: justify}DIV、MyFav_1279242211671 LI。MsoDocumentMap{FONT-WEIGHT: bold; TEXT-JUSTIFY: inter-ideograph; FONT—SIZE: 16pt; BACKGROUND: navy; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: 宋体; TEXT-ALIGN: justify}DIV、MyFav_1279242211671 DIV、MsoDocumentMap{FONT—WEIGHT: bold; TEXT—JUSTIFY: inter-ideograph; FONT-SIZE: 16pt; BACKGROUND: navy; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: 宋体; TEXT-ALIGN: justify}DIV。MyFav_1279242211671 P{FONT—WEIGHT: bold; FONT—SIZE: 12pt; MARGIN—LEFT: 0cm; MARGIN-RIGHT: 0cm; FONT-FAMILY: 宋体}DIV。MyFav_1279242211671 P。MsoAcetate{FONT—WEIGHT: bold; TEXT—JUSTIFY: inter—ideograph; FONT—SIZE: 16pt; MARGIN: 0cm 0cm 0pt; FONT—FAMILY: 宋体; TEXT—ALIGN: justify}DIV、MyFav_1279242211671 LI、MsoAcetate{FONT-WEIGHT: bold; TEXT—JUSTIFY: inter—ideograph; FONT—SIZE: 16pt; MARGIN: 0cm 0cm 0pt; FONT—FAMILY: 宋体; TEXT-ALIGN: justify}DIV、MyFav_1279242211671 DIV、MsoAcetate{FONT-WEIGHT: bold; TEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 16pt; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: 宋体; TEXT-ALIGN: justify}DIV、MyFav_1279242211671 DIV、Section1{page: Section1}DIV、MyFav_1279242211671 OL{MARGIN-BOTTOM: 0cm}DIV、MyFav_1279242211671 UL{MARGIN—BOTTOM: 0cm} 【器材】 薄塑料袋,闹铃,水桶,水。 【制作方法】 把发声得闹铃放在密封得塑料袋中,将塑料袋和闹铃一起浸没在桶里得水中。 【使用方法】 把发声得闹铃放在密封得塑料袋中,将塑料袋和闹铃一起浸没在桶里得水中。将耳朵紧贴水桶,能听到声音,说明液体能够传播声音。 【注意事项】 将塑料袋和闹铃一起浸没在桶里得水中时,用细线吊起来,并且中间不能触及其她物体。
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