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家庭实验指南:3种简单测量水密度的方法与工具选择


馃専 寮€澶达細浣犲鍘ㄦ埧灏辫兘娴嬫按鐨勫瘑搴︼紵

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涓句釜鏍楀瓙馃尠锛氭垜琛ㄥ紵涓婂懆鍋氱瀛︿綔涓氾紝鎬ュ緱婊″眿杞湀鎵惧伐鍏凤紝鏈€鍚庣敤閰辨补鐡跺拰鐢靛瓙绉ゆ祴鍑烘潵浜嗐€備綘鐪嬶紝鐪熸病浣犳兂鐨勯偅涔堥毦锛?/p>


馃И 鏂规硶涓€锛氶噺绛?鍘ㄦ埧绉わ紙鏈€绮惧噯鐗堬級

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  3. 鈥?strong>鈥嬪瘑搴?閲嶉噺梅浣撶Н鈥?/strong>鈥?鈫?220g/200ml=1.1g/cm鲁锛熺瓑绛夛紒杩欓噷鏈変釜鍧戔€?/li>
  4. 鈥?strong>鈥嬬湡鐩告椂鍒烩€?/strong>鈥嬶細姘寸殑鏍囧噯瀵嗗害鏄?g/cm鲁锛屼负鍟ユ祴鍑烘潵楂樹簡锛熲€斺€斿彲鑳芥澂瀛愬埢搴︿笉鍑嗭紝鎴栬€呯Г鏈夎宸紒

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馃洘 鏂规硶浜岋細娴姏娉曪紙涓嶇敤绉ょ殑閲庤矾瀛愶級

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鈥?strong>鈥嬬鎿嶄綔姝ラ鈥?/strong>鈥嬶細

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  3. 鈥?strong>鈥嬬洂姘撮噺鈮堥浮铔嬪瘑搴︹増1.1g/cm鲁鈥?/strong>鈥?/li>
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馃敡 鏂规硶涓夛細鏇夸唬宸ュ叿鑴戞礊澶у悎闆?/h3>

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鍚哥鍓垚U鍨嬪仛鎴愮畝鏄撳瘑搴﹁卤0.2g/cm鲁
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馃挕 鐙瑙佽В锛氫负浠€涔堜綘娴嬬殑鍊兼€讳笉瀵瑰姴锛?/h3>

鏍规嵁鎴戝仛鐨?0娆″搴疄楠岋紝璇樊涓昏鏉ヨ嚜涓変釜鍦版柟锛?/p>

  1. 鈥?strong>鈥嬫俯搴︹€?/strong>鈥嬶細姘存俯姣忓崌楂?0鈩冿紝瀵嗗害涓嬮檷绾?.02g/cm鲁锛堝澶╂祴鐨勫€兼瘮鍐ぉ浣庯紒锛?/li>
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鈥?strong>鈥嬫晳鍛芥妧宸р€?/strong>鈥嬶細
馃憠 娴嬩箣鍓嶆妸鎵€鏈夊伐鍏锋斁鍚屼竴鐜1灏忔椂锛堝噺灏戞俯搴﹀奖鍝嶏級
馃憠 鐪肩潧骞宠鍒诲害绾匡紙淇浼氳鏁板€艰櫄楂橈紒锛?br/> 馃憠 鐢ㄩ鐢ㄦ补鍋氬鐓х粍锛堟补瀵嗗害绾?.9g/cm鲁锛屾祴瀹屽姣斿氨鏈夋暟浜嗭級


馃殌 鏈€鍚庤鐐瑰ぇ瀹炶瘽

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  • 鑳戒竴鐪艰瘑鐮村晢瀹跺櫛澶达紙姣斿鈥滈珮瀵嗗害鑳介噺姘粹€濆熀鏈兘鏄櫤鍟嗙◣锛?/li>
  • 鏈€閲嶈鐨勬槸鈥︿笅娆″▋鐨勭墿鐞嗕綔涓氫笉鐢ㄦ眰浜哄暒锛?/li>

锛堝疄娴嬫暟鎹鍛婏細涓嬫湡鎻鐢ㄥ井娉㈢倝鍔犵儹瀵规按瀵嗗害鐨勫奖鍝嶏紝缁撴灉缁濆棰犺璁ょ煡锛侊級

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