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         <description><![CDATA[<div>단위 부피당 질랼-&gt;질량을 부피로 나눈 값</div>]]></description>
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         <description><![CDATA[<div>무지개 물 만들기</div>]]></description>
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         <description><![CDATA[<div>질량을 부피로 나눈 값</div>]]></description>
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         <description><![CDATA[<div>단위 부피당 질량 -&gt; 질량을 부피로 나눈 값</div>]]></description>
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         <description><![CDATA[<div>질량이 클수록, 부피가 작을수록 밀도는 커짐</div>]]></description>
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         <description><![CDATA[<div>단위 부피당 질량</div>]]></description>
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         <description><![CDATA[<div>질량이 클수록 부피가 작을수록 밀도는 커짐</div>]]></description>
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         <description><![CDATA[<div>질량이 클수록, 부피가 작을수록 밀도가 커짐</div>]]></description>
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         <pubDate>2021-05-13 00:15:06 UTC</pubDate>
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         <description><![CDATA[<div>질량이 클수록 부피가 작을수록 밀도는 커짐</div>]]></description>
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         <title></title>
         <author></author>
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         <description><![CDATA[<div>단위 부피당 질량</div>]]></description>
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         <pubDate>2021-05-13 00:16:07 UTC</pubDate>
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         <author>2122096</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519556161</link>
         <description><![CDATA[<div>밀도= 질량/부피 (단위: g/cm³, g/mL 등)</div>]]></description>
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         <pubDate>2021-05-13 00:16:08 UTC</pubDate>
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         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519556702</link>
         <description><![CDATA[<div>밀도 = 질량/부피 (단위 : g/cm³, g/mL 등)</div>]]></description>
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         <pubDate>2021-05-13 00:16:24 UTC</pubDate>
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         <title>2216</title>
         <author></author>
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         <description><![CDATA[<div>질량&nbsp; 부피</div>]]></description>
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         <pubDate>2021-05-13 00:16:33 UTC</pubDate>
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         <title>2209박상수</title>
         <author>2122096</author>
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         <pubDate>2021-05-13 00:16:50 UTC</pubDate>
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         <title></title>
         <author></author>
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         <description><![CDATA[<div>밀도=질량/부피</div>]]></description>
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         <pubDate>2021-05-13 00:16:51 UTC</pubDate>
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         <author>2122218</author>
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         <description><![CDATA[<div>단위 부피당 질량</div>]]></description>
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         <pubDate>2021-05-13 00:16:53 UTC</pubDate>
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         <author>21222613</author>
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         <description><![CDATA[<div>밀도= 질량/부피 (단위: g/cm³, g/mL 등)</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:17:15 UTC</pubDate>
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         <title></title>
         <author>2122096</author>
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         <description><![CDATA[]]></description>
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         <title></title>
         <author></author>
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         <description><![CDATA[]]></description>
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         <description><![CDATA[<div>질량이 클수록, 부피가 작을수록 밀도는 커짐</div>]]></description>
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         <pubDate>2021-05-13 00:17:44 UTC</pubDate>
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         <author></author>
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         <description><![CDATA[<div>밀도=질량 /부피 (단위:g/cm3,g/mL등)</div>]]></description>
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         <title>2222전은서</title>
         <author>21222211</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519560460</link>
         <description><![CDATA[<div>콘서트에서 무대 효과로 드라이아이스를 사용한다</div>]]></description>
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         <title>2208 김희경</title>
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         <description><![CDATA[<div>질량을 부피로 나눈 값<br>단위 부피당 질량</div>]]></description>
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         <pubDate>2021-05-13 00:18:24 UTC</pubDate>
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         <description><![CDATA[<div>밀도:질량/부피 (단위:g/cm³, g/ml 등)</div>]]></description>
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         <title>2213신현민 </title>
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         <description><![CDATA[]]></description>
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         <pubDate>2021-05-13 00:18:40 UTC</pubDate>
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         <title>2221 </title>
         <author>2122218</author>
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         <description><![CDATA[]]></description>
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         <pubDate>2021-05-13 00:19:10 UTC</pubDate>
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         <title>2223</title>
         <author>2122236</author>
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         <description><![CDATA[<div>밀도 : 부피를 질량으로 나눈 값</div>]]></description>
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         <pubDate>2021-05-13 00:19:18 UTC</pubDate>
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         <title>2228지민준</title>
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         <description><![CDATA[<div>단위 부피당 질량</div>]]></description>
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         <title>2215윤예은</title>
         <author>2122157</author>
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         <description><![CDATA[<div>단위 부피당 질량</div>]]></description>
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         <pubDate>2021-05-13 00:19:39 UTC</pubDate>
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         <title>2222전은서</title>
         <author>21222211</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519563888</link>
         <description><![CDATA[<div>두 물질의 부피가 같을 때, 질량이 작아야 밀도가 작다.<br>(O/X)</div>]]></description>
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         <pubDate>2021-05-13 00:19:41 UTC</pubDate>
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         <title>2214유다성</title>
         <author>2122145</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519563963</link>
         <description><![CDATA[<div>단위 부피당 질량<br>(질량을 부피로 나눈값)</div>]]></description>
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         <pubDate>2021-05-13 00:19:43 UTC</pubDate>
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         <title>ㆍ2208 김희경</title>
         <author>2122087</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519564115</link>
         <description><![CDATA[<div>질량이 클수록, 부피가 작을수록 밀도는 커짐.<br><br></div>]]></description>
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         <pubDate>2021-05-13 00:19:47 UTC</pubDate>
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         <title>2207</title>
         <author>2122074</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519564729</link>
         <description><![CDATA[<div>단위 부피당 질량</div>]]></description>
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         <pubDate>2021-05-13 00:20:03 UTC</pubDate>
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         <title>2223</title>
         <author>2122236</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519564915</link>
         <description><![CDATA[<div>질량이 클수록, 부피가작을수록 밀도는 커진다</div>]]></description>
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         <pubDate>2021-05-13 00:20:08 UTC</pubDate>
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         <title>2207</title>
         <author>2122074</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519565482</link>
         <description><![CDATA[<div>질량이 클수록, 부피가 작을수록 밀도는 커짐</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:20:23 UTC</pubDate>
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         <title>2214유다성</title>
         <author>2122145</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519565490</link>
         <description><![CDATA[<div>질량이 클수록&nbsp; &nbsp;부피가 작을수록 밀도는 커진다&nbsp;</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:20:23 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519565490</guid>
      </item>
      <item>
         <title>2218이영은</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519565786</link>
         <description><![CDATA[<div>단위 부피당 질량<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:20:31 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519565786</guid>
      </item>
      <item>
         <title>2216</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519565801</link>
         <description><![CDATA[무대효과]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:20:32 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519565801</guid>
      </item>
      <item>
         <title>2202 공은지 </title>
         <author>21220214</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519565935</link>
         <description><![CDATA[<div>단위 부피당 질량-&gt; 질량을 부피로 나눈값</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:20:34 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519565935</guid>
      </item>
      <item>
         <title>2228지민준</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519566205</link>
         <description><![CDATA[<div>질량이 클수록, 부피가 작을수록 밀도가 커짐</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:20:42 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519566205</guid>
      </item>
      <item>
         <title>2215윤예은</title>
         <author>2122157</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519566333</link>
         <description><![CDATA[<div>질량이 클수록 부피가 작을수록 밀도는 커짐</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:20:45 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519566333</guid>
      </item>
      <item>
         <title>2207</title>
         <author>2122074</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519566385</link>
         <description><![CDATA[<div>밀도=질량/부피<br>(단위: g/cm3 , g/mL 등)</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:20:46 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519566385</guid>
      </item>
      <item>
         <title>2223</title>
         <author>2122236</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519566586</link>
         <description><![CDATA[<div>밀도=질량/부피</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:20:52 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519566586</guid>
      </item>
      <item>
         <title>2225정윤아</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519566767</link>
         <description><![CDATA[<div>공기가 압축되어 대기압을 형성한다</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:20:56 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519566767</guid>
      </item>
      <item>
         <title>2216</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519567088</link>
         <description><![CDATA[<div>밀도의 뜻을 서술하시오</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:21:03 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519567088</guid>
      </item>
      <item>
         <title>2214유다성</title>
         <author>2122145</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519567435</link>
         <description><![CDATA[<div>밀도=질량/부피<br>(g/cm³,g/mL)</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:21:10 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519567435</guid>
      </item>
      <item>
         <title>2208 김희경</title>
         <author>2122087</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519568001</link>
         <description><![CDATA[<div>밀도차이를 이용한 식용유와 물의 이동</div>]]></description>
         <enclosure url="https://www.youtube.com/watch?v=S9IrcZ80-Jo" />
         <pubDate>2021-05-13 00:21:25 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519568001</guid>
      </item>
      <item>
         <title>2202 공은지 </title>
         <author>21220214</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519568275</link>
         <description><![CDATA[<div>질량이 클수록 부피가 작을수록 밀도는 커짐</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:21:32 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519568275</guid>
      </item>
      <item>
         <title>2218이영은</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519568405</link>
         <description><![CDATA[<div>질량이 커질수록 부피가 작을수록 밀도는 커짐</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:21:34 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519568405</guid>
      </item>
      <item>
         <title>2223</title>
         <author>2122236</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519568685</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://www.youtube.com/watch?v=qY-xq6RWAWo" />
         <pubDate>2021-05-13 00:21:42 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519568685</guid>
      </item>
      <item>
         <title>2225정윤아</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519568750</link>
         <description><![CDATA[<div>밀도는 부피를 질량으로 나눈 값이다 (o x)<br>답 : X</div>]]></description>
         <pubDate>2021-05-13 00:21:43 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519568750</guid>
      </item>
      <item>
         <title>2215윤예은</title>
         <author>2122157</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519569763</link>
         <description><![CDATA[<div>밀도:질량/부피<br>(단위: g/cm³, g/mL 등)</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:22:10 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519569763</guid>
      </item>
      <item>
         <title>2211 박성은</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519570183</link>
         <description><![CDATA[<div>단위 부피당 질량</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:22:21 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519570183</guid>
      </item>
      <item>
         <title>2226 조원호</title>
         <author>21222613</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519570823</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://www.youtube.com/watch?v=qY-xq6RWAWo" />
         <pubDate>2021-05-13 00:22:37 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519570823</guid>
      </item>
      <item>
         <title>2211 박성은</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519570919</link>
         <description><![CDATA[<div>질량이 클수록 부피가 작을수록 밀도는 커짐</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:22:40 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519570919</guid>
      </item>
      <item>
         <title>2228지민준</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519571375</link>
         <description><![CDATA[<div>밀도=질량/부피(단위 :g/cm³, g/mL)</div>]]></description>
         <pubDate>2021-05-13 00:22:52 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519571375</guid>
      </item>
      <item>
         <title></title>
         <author>2122074</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519571389</link>
         <description><![CDATA[<div>2207</div>]]></description>
         <enclosure url="https://www.youtube.com/watch?v=lRunRqGZ7wI" />
         <pubDate>2021-05-13 00:22:52 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519571389</guid>
      </item>
      <item>
         <title>2221 임희원</title>
         <author>2122218</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519572356</link>
         <description><![CDATA[<div>태안 기름유출 사고때 기름이 유출되었는데, 기름은 물보다 밀도가 작기 때문에 물위에 뜬다. 그래서 물위에 기름종이를 대어서 기름을 걷어냈다.</div>]]></description>
         <enclosure url="http://cfs15.tistory.com/image/18/tistory/2008/12/16/18/31/4947756e0a50b" />
         <pubDate>2021-05-13 00:23:16 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519572356</guid>
      </item>
      <item>
         <title>2213신현민 </title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519572484</link>
         <description><![CDATA[무대효과]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:23:19 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519572484</guid>
      </item>
      <item>
         <title>2211 박성은</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519572670</link>
         <description><![CDATA[<div>밀도 = 질량/부피&nbsp;</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:23:24 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519572670</guid>
      </item>
      <item>
         <title>2209박상수 </title>
         <author>2122096</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519572797</link>
         <description><![CDATA[<div>밀도= 부피/질량이다 (O/X)</div>]]></description>
         <pubDate>2021-05-13 00:23:28 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519572797</guid>
      </item>
      <item>
         <title>2215윤예은</title>
         <author>2122157</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519572867</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://www.youtube.com/watch?v=nWQNa07OIK8" />
         <pubDate>2021-05-13 00:23:30 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519572867</guid>
      </item>
      <item>
         <title></title>
         <author>2122145</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519572960</link>
         <description><![CDATA[<div>2214유다성</div>]]></description>
         <enclosure url="http://t1.daumcdn.net/thumb/R659x0/?fname=http://t1.daumcdn.net/encyclop/m24/LefA6dvpc9kavNu9Npe7SgbPatVbT9JH9cnGEcCD?t=1463562837000" />
         <pubDate>2021-05-13 00:23:32 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519572960</guid>
      </item>
      <item>
         <title>2213신현민 </title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519572961</link>
         <description><![CDATA[<div>밀도는 무엇인가?</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:23:32 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519572961</guid>
      </item>
      <item>
         <title>2223</title>
         <author>2122236</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519573004</link>
         <description><![CDATA[<div>사해에서는 수영못해도 물에뜬다</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:23:33 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519573004</guid>
      </item>
      <item>
         <title>2207</title>
         <author>2122074</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519573351</link>
         <description><![CDATA[<div>무대효과</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:23:41 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519573351</guid>
      </item>
      <item>
         <title>2228지민준</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519573826</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://www.youtube.com/watch?v=LMRZJe3aRdM" />
         <pubDate>2021-05-13 00:23:55 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519573826</guid>
      </item>
      <item>
         <title>2221 임희원</title>
         <author>2122218</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519573947</link>
         <description><![CDATA[<div>에탄올은 물에 가라앉는다.<br>(O/X)</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:23:58 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519573947</guid>
      </item>
      <item>
         <title>2202 공은지 </title>
         <author>21220214</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519574018</link>
         <description><![CDATA[<div>밀도= 질량/부피 (단위:g/cm<sup>3</sup>,g/mL등)</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:23:59 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519574018</guid>
      </item>
      <item>
         <title>2208 김희경</title>
         <author>2122087</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519574139</link>
         <description><![CDATA[<div>밀도: 질량/부피<br>(단위: g/mL, kg/mL등)</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:24:02 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519574139</guid>
      </item>
      <item>
         <title>2223</title>
         <author>2122236</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519574492</link>
         <description><![CDATA[<div>밀도의 뜻을 정확히 서술해</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:24:11 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519574492</guid>
      </item>
      <item>
         <title>2222전은서</title>
         <author>21222211</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519574658</link>
         <description><![CDATA[<div>-밀도를 구하는 공식<br>-어떤 물질이 가장 밀도가 작을까<br>-밀도는 생활에서 유용하게 쓰이고 있다</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:24:15 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519574658</guid>
      </item>
      <item>
         <title>2218이영은</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519575427</link>
         <description><![CDATA[<div>밀도= 질량/부피 (단위:g/cm3,g/mL등)</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:24:33 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519575427</guid>
      </item>
      <item>
         <title>2202 공은지 </title>
         <author>21220214</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519575447</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://www.youtube.com/watch?v=Vt9ZTqQHnXA" />
         <pubDate>2021-05-13 00:24:33 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519575447</guid>
      </item>
      <item>
         <title>2228지민준</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519575702</link>
         <description><![CDATA[무대효과]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:24:41 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519575702</guid>
      </item>
      <item>
         <title>2207</title>
         <author>2122074</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519575725</link>
         <description><![CDATA[<div>밀도는 질량이다 o/x</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:24:42 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519575725</guid>
      </item>
      <item>
         <title>2221임희원 </title>
         <author>2122218</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519576076</link>
         <description><![CDATA[<div>밀도에 대해서 더욱 자세하게 알게되었고, 밀도와 질량등이 헷갈렸는데 이번 기회를 통해 더욱 자세하게 알게되어서 좋았다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:24:51 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519576076</guid>
      </item>
      <item>
         <title>2218이영은</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519576133</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://www.youtube.com/watch?v=CbZKJk4E5OM" />
         <pubDate>2021-05-13 00:24:52 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519576133</guid>
      </item>
      <item>
         <title>2223</title>
         <author>2122236</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519577247</link>
         <description><![CDATA[<div>밀도에 대해서 알 수 있었다<br>밀도가 가장 큰 물질<br>너무 신기허다</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:25:23 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519577247</guid>
      </item>
      <item>
         <title>2228지민준</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519578165</link>
         <description><![CDATA[<div>두 물질의 질량이 같을때 부피가 클수록 밀도가 크다(O/X)</div>]]></description>
         <pubDate>2021-05-13 00:25:45 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519578165</guid>
      </item>
      <item>
         <title>2226 조원호</title>
         <author>21222613</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519578260</link>
         <description><![CDATA[<div>무대효과</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:25:48 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519578260</guid>
      </item>
      <item>
         <title>2226 조원호</title>
         <author>21222613</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519579091</link>
         <description><![CDATA[<div>밀도 정의</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:26:09 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519579091</guid>
      </item>
      <item>
         <title>2228지민준</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519579186</link>
         <description><![CDATA[<div>밀도를 알음</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:26:12 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519579186</guid>
      </item>
      <item>
         <title>2226 조원호</title>
         <author>21222613</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519580084</link>
         <description><![CDATA[<div>밀도 구하는 공식</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 00:26:36 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519580084</guid>
      </item>
      <item>
         <title></title>
         <author>2128121</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519698420</link>
         <description><![CDATA[<div>질량이 클수록부피가작을스록밀도는커짐</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 01:11:22 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519698420</guid>
      </item>
      <item>
         <title></title>
         <author>2128121</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519699256</link>
         <description><![CDATA[<div>밀도=질량/부피</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 01:11:42 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519699256</guid>
      </item>
      <item>
         <title></title>
         <author>2128121</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519700382</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://i.ytimg.com/vi/WZVjWSadCMQ/maxresdefault.jpg" />
         <pubDate>2021-05-13 01:12:09 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519700382</guid>
      </item>
      <item>
         <title></title>
         <author>2128121</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519702083</link>
         <description><![CDATA[<div>아이스크림녹지않게 드라이 아시스 활요</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 01:12:46 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519702083</guid>
      </item>
      <item>
         <title></title>
         <author>2128121</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519703604</link>
         <description><![CDATA[<div>생활속 밀도의 활용을 서술해라</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 01:13:24 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519703604</guid>
      </item>
      <item>
         <title></title>
         <author>2128121</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519704103</link>
         <description><![CDATA[<div>밀도의 활용</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 01:13:37 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519704103</guid>
      </item>
      <item>
         <title></title>
         <author>2124165</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519945165</link>
         <description><![CDATA[<div>질량이 클수록 부피는 작을수록 밀도는 커짐</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 02:50:42 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519945165</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519947675</link>
         <description><![CDATA[<div>질량이클수록 밀도가크다&nbsp; 부피가작을수록 밀도가크다&nbsp;</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 02:51:53 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1519947675</guid>
      </item>
      <item>
         <title></title>
         <author>2125273</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1520216122</link>
         <description><![CDATA[<div>단위부피당질량(질량을 부피로 나눈값)</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 05:35:38 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1520216122</guid>
      </item>
      <item>
         <title></title>
         <author>2125273</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1520217307</link>
         <description><![CDATA[<div>질량이 클수록,밀도는커짐</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 05:36:28 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1520217307</guid>
      </item>
      <item>
         <title></title>
         <author>2125273</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1520218925</link>
         <description><![CDATA[<div>밀도=질량/부피(단위:g/cm³,g/mL등)</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 05:37:38 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1520218925</guid>
      </item>
      <item>
         <title></title>
         <author>2125273</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1520221150</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://i.ytimg.com/vi/wmawMeWJuxc/maxresdefault.jpg" />
         <pubDate>2021-05-13 05:39:09 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1520221150</guid>
      </item>
      <item>
         <title></title>
         <author>2125273</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1520221725</link>
         <description><![CDATA[무대효과]]></description>
         <enclosure url="" />
         <pubDate>2021-05-13 05:39:29 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1520221725</guid>
      </item>
      <item>
         <title>2202공은지</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1530713540</link>
         <description><![CDATA[<div>무대효과에 사용된다</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-17 11:06:33 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1530713540</guid>
      </item>
      <item>
         <title>2202공은지</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1530716730</link>
         <description><![CDATA[<div>밀도의 정의는?</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-17 11:07:24 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1530716730</guid>
      </item>
      <item>
         <title>2202공은지</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1530718890</link>
         <description><![CDATA[<div>밀도에 대해서 자세히 알게됨</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-17 11:08:05 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1530718890</guid>
      </item>
      <item>
         <title>2214유다성</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1530945727</link>
         <description><![CDATA[<div>무대효과</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-17 12:38:15 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1530945727</guid>
      </item>
      <item>
         <title>2214유다성</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1530949177</link>
         <description><![CDATA[<div>밀도=질량/부피 이다?</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-17 12:39:12 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1530949177</guid>
      </item>
      <item>
         <title>2214유다성</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1530954841</link>
         <description><![CDATA[<div>밀도에&nbsp;대하여 알았다</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-17 12:40:46 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1530954841</guid>
      </item>
      <item>
         <title>2214유다성</title>
         <author>3402kmk</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1531559290</link>
         <description><![CDATA[<div>단위 부피당 질량<br>(질량을 부피로 나눈값)</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-17 14:47:27 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1531559290</guid>
      </item>
      <item>
         <title>2204김민규 </title>
         <author>3402kmk</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1531563338</link>
         <description><![CDATA[<div>단위부피당 질량</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-17 14:48:15 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1531563338</guid>
      </item>
      <item>
         <title>2204김민규 </title>
         <author>3402kmk</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1531566726</link>
         <description><![CDATA[<div>질량이 클수록 부피가 작을수록 밀도는커짐</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-17 14:48:55 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1531566726</guid>
      </item>
      <item>
         <title>2204김민규 </title>
         <author>3402kmk</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1531574542</link>
         <description><![CDATA[<div>밀도=질량/부피<br>(단위: g/cm<sup>3</sup> , g/mL 등)</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-17 14:50:21 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1531574542</guid>
      </item>
      <item>
         <title>2204김민규 </title>
         <author>3402kmk</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1531580663</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://www.youtube.com/watch?v=w3pPa__ti9w" />
         <pubDate>2021-05-17 14:51:38 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1531580663</guid>
      </item>
      <item>
         <title>2204김민규 </title>
         <author>3402kmk</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1531583204</link>
         <description><![CDATA[<div>무대효과에 사용됨</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-17 14:52:06 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1531583204</guid>
      </item>
      <item>
         <title>2204김민규 </title>
         <author>3402kmk</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1531584550</link>
         <description><![CDATA[<div>밀도의 정의를 서술하시오</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-17 14:52:23 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1531584550</guid>
      </item>
      <item>
         <title>2204김민규 </title>
         <author>3402kmk</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1531587026</link>
         <description><![CDATA[<div>밀도의 정의와 사용예등을 알게되었다</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-17 14:52:53 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1531587026</guid>
      </item>
      <item>
         <title>2229최형민</title>
         <author>2122295</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533361971</link>
         <description><![CDATA[<div>단위 부피당 질량 (질량을 부피로 나눈값)</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-17 22:45:45 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533361971</guid>
      </item>
      <item>
         <title>2229최형민 </title>
         <author>2122295</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533363879</link>
         <description><![CDATA[<div>질량이 클수록 부피가 작을수록밀도는커짐</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-17 22:47:00 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533363879</guid>
      </item>
      <item>
         <title>2229최형민 </title>
         <author>2122295</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533367155</link>
         <description><![CDATA[<div>밀도=질량/부피 단위:g/cm³,g/mL등</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-17 22:49:12 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533367155</guid>
      </item>
      <item>
         <title>2229최형민</title>
         <author>2122295</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533371191</link>
         <description><![CDATA[<div>밀도 ㅇㅔ대하여 알게됨</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-17 22:51:51 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533371191</guid>
      </item>
      <item>
         <title>2229최형민 </title>
         <author>2122295</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533372426</link>
         <description><![CDATA[<div>밀도가 사용된 예</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-17 22:52:42 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533372426</guid>
      </item>
      <item>
         <title>2208 김희경</title>
         <author>2122087</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533378117</link>
         <description><![CDATA[<div>밀도는 질량/부피이다(o/x)</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-17 22:56:39 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533378117</guid>
      </item>
      <item>
         <title>2208 김희경</title>
         <author>2122087</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533378979</link>
         <description><![CDATA[<div>밀도를 구하는 공식과 밀도의 활요에 대해 알게되었다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-17 22:57:16 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533378979</guid>
      </item>
      <item>
         <title>2219 이지운</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533882091</link>
         <description><![CDATA[<div>단위 부피당 질량</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-18 02:35:32 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533882091</guid>
      </item>
      <item>
         <title>2219 이지운</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533883318</link>
         <description><![CDATA[<div>질량이 클수록, 부피가 작을수록 밀도는 커짐</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-18 02:36:02 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533883318</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533885002</link>
         <description><![CDATA[<div>밀도=질량/부피<br>(단위: g/cm³, g/mL 등)</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-18 02:36:43 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533885002</guid>
      </item>
      <item>
         <title>2219 이지운</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533885993</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://www.youtube.com/watch?v=Vt9ZTqQHnXA" />
         <pubDate>2021-05-18 02:37:08 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533885993</guid>
      </item>
      <item>
         <title>2219 이지운</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533887241</link>
         <description><![CDATA[<div>무대효과</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-18 02:37:38 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533887241</guid>
      </item>
      <item>
         <title>2219 이지운</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533888249</link>
         <description><![CDATA[<div>물의 밀도는 1이다<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-18 02:38:03 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533888249</guid>
      </item>
      <item>
         <title>2219 이지운</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533889335</link>
         <description><![CDATA[<div>밀도의 뜻과 밀도를 구하는 방법</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-18 02:38:29 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1533889335</guid>
      </item>
      <item>
         <title>2220</title>
         <author>21222012</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539239669</link>
         <description><![CDATA[<div>단위 부피당 질량<br>(질량을 부피로 나눈값)</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-19 12:27:08 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539239669</guid>
      </item>
      <item>
         <title>2220</title>
         <author>21222012</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539242427</link>
         <description><![CDATA[<div>질량이 클수록, 부피가 작을수록 밀도는 커짐</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-19 12:28:02 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539242427</guid>
      </item>
      <item>
         <title>2220</title>
         <author>21222012</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539249184</link>
         <description><![CDATA[<div>밀도= 질량/부피 (단위: g/cm<sup>3,&nbsp;</sup>&nbsp;g/mL 등)</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-19 12:30:10 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539249184</guid>
      </item>
      <item>
         <title>2220</title>
         <author>21222012</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539252092</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://www.youtube.com/watch?v=Vt9ZTqQHnXA" />
         <pubDate>2021-05-19 12:31:10 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539252092</guid>
      </item>
      <item>
         <title>2220</title>
         <author>21222012</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539252955</link>
         <description><![CDATA[<div>무대효과</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-19 12:31:27 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539252955</guid>
      </item>
      <item>
         <title>2220</title>
         <author>21222012</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539254388</link>
         <description><![CDATA[<div>밀도의 뜻을 서술하시오</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-19 12:31:53 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539254388</guid>
      </item>
      <item>
         <title>2217이소희</title>
         <author>21221712</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539254847</link>
         <description><![CDATA[<div>단위 부피당 질량<br>(질량을 부피로 나눈값)</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-19 12:32:02 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539254847</guid>
      </item>
      <item>
         <title>2217이소희</title>
         <author>21221712</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539258330</link>
         <description><![CDATA[<div>질량이 클수록,부피가 작을수록 밀도는 커짐</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-19 12:33:05 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539258330</guid>
      </item>
      <item>
         <title>2217이소희</title>
         <author>21221712</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539261804</link>
         <description><![CDATA[<div>밀도=질량/부피<br>(단위:g/cm<sup>3</sup>,g/mL 등)</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-19 12:34:12 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539261804</guid>
      </item>
      <item>
         <title>2217이소희</title>
         <author>21221712</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539289254</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://youtu.be/YvIXtalQgTQ" />
         <pubDate>2021-05-19 12:42:05 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539289254</guid>
      </item>
      <item>
         <title>2217이소희</title>
         <author>21221712</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539291235</link>
         <description><![CDATA[<div>무대효과</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-19 12:42:39 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539291235</guid>
      </item>
      <item>
         <title>2217이소희</title>
         <author>21221712</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539293686</link>
         <description><![CDATA[<div>밀도를 사용하는 예를 2가지 적으시오</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-19 12:43:22 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539293686</guid>
      </item>
      <item>
         <title>2217이소희</title>
         <author>21221712</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539296905</link>
         <description><![CDATA[<div>-밀도의 정의<br>-밀도의 원리<br>-재밌다&nbsp;</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-19 12:44:18 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539296905</guid>
      </item>
      <item>
         <title>2206 김예원</title>
         <author>2122069</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539314155</link>
         <description><![CDATA[<div>단위 부피당 질량</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-19 12:49:10 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539314155</guid>
      </item>
      <item>
         <title>2206 김예원</title>
         <author>2122069</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539320309</link>
         <description><![CDATA[<div>질량이 클수록,작을수록 밀도는 커진다</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-19 12:50:51 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539320309</guid>
      </item>
      <item>
         <title>2206김예원</title>
         <author>2122069</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539326044</link>
         <description><![CDATA[<div>밀도=질량/부피</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-19 12:52:15 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539326044</guid>
      </item>
      <item>
         <title>2206 김예원</title>
         <author>2122069</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539333557</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://www.youtube.com/watch?v=S9IrcZ80-Jo" />
         <pubDate>2021-05-19 12:54:13 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539333557</guid>
      </item>
      <item>
         <title>2206김예원</title>
         <author>2122069</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539337064</link>
         <description><![CDATA[<div>무대효과</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-19 12:55:10 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539337064</guid>
      </item>
      <item>
         <title>2206김예원</title>
         <author>2122069</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539345566</link>
         <description><![CDATA[<div>밀도의 정의를 쓰세요</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-19 12:57:22 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539345566</guid>
      </item>
      <item>
         <title>2206 김예원</title>
         <author>2122069</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539349475</link>
         <description><![CDATA[<div>밀도에 대해 알게되었다</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-19 12:58:21 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539349475</guid>
      </item>
      <item>
         <title>2227 주</title>
         <author>2122276</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539416770</link>
         <description><![CDATA[<div>단위 부피당 질량</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-19 13:14:28 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539416770</guid>
      </item>
      <item>
         <title>2227 주예린</title>
         <author>2122276</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539419138</link>
         <description><![CDATA[<div>질량이 클수록 부피가 작을수록</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-19 13:14:59 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539419138</guid>
      </item>
      <item>
         <title></title>
         <author>2122276</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539423788</link>
         <description><![CDATA[<div>밀도= 질량/부피 (g/mL), (g/cm³)</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-19 13:15:58 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539423788</guid>
      </item>
      <item>
         <title></title>
         <author>2122276</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539427467</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://www.youtube.com/watch?v=Vt9ZTqQHnXA" />
         <pubDate>2021-05-19 13:16:46 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539427467</guid>
      </item>
      <item>
         <title>2227 주예린</title>
         <author>2122276</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539430047</link>
         <description><![CDATA[무대효과]]></description>
         <enclosure url="" />
         <pubDate>2021-05-19 13:17:20 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539430047</guid>
      </item>
      <item>
         <title>2227 주예린</title>
         <author>2122276</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539433147</link>
         <description><![CDATA[<div>부피가 같을때 밀도와 질량은 정비례하다 ( O/X )</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-19 13:18:00 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539433147</guid>
      </item>
      <item>
         <title>2227 주예린</title>
         <author>2122276</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539434451</link>
         <description><![CDATA[<div>밀도에 대해 잘 알게됐다</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-19 13:18:18 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539434451</guid>
      </item>
      <item>
         <title>2205</title>
         <author>2122055</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539840428</link>
         <description><![CDATA[<div>단위 부피당 질량</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-19 14:43:06 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1539840428</guid>
      </item>
      <item>
         <title>2203김도연</title>
         <author>2122037</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1556152513</link>
         <description><![CDATA[<div>단위 부피단 질량<br>질량을 부피로 나눈값</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-25 03:20:22 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1556152513</guid>
      </item>
      <item>
         <title>2203김도연</title>
         <author>2122037</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1556153780</link>
         <description><![CDATA[<div>질량이 클수록, 부피가 작을수록 밀도는 커짐</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-25 03:20:53 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1556153780</guid>
      </item>
      <item>
         <title>2203김도연</title>
         <author>2122037</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1556156889</link>
         <description><![CDATA[<div>밀도=질량/부피<br>단위: g/cm<sup>3,</sup>g/mL등</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-25 03:22:15 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1556156889</guid>
      </item>
      <item>
         <title>2203김도연</title>
         <author>2122037</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1556159466</link>
         <description><![CDATA[<div>콘서트 무대효과</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-25 03:23:26 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1556159466</guid>
      </item>
      <item>
         <title>2203 김도연</title>
         <author>2122037</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1556160451</link>
         <description><![CDATA[<div>밀도가 사용된 예</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-25 03:23:54 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1556160451</guid>
      </item>
      <item>
         <title>2203김도연</title>
         <author>2122037</author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1556161523</link>
         <description><![CDATA[<div>밀도의 뜻을 알게되고 사용되는 예도 알게 되었다.</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-25 03:24:22 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1556161523</guid>
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      <item>
         <title>2224정아정</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1557311598</link>
         <description><![CDATA[<div>질량을 부피로 나눈 값</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-25 12:26:54 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1557311598</guid>
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      <item>
         <title>2224정아정</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1557313052</link>
         <description><![CDATA[<div>질량이 클수록 부피가 작을수록 밀도가 커진다</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-25 12:27:25 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1557313052</guid>
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      <item>
         <title>2224정아정</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1557317132</link>
         <description><![CDATA[<div>밀도-질량/부피<br>(단위:g/cm3,g/mL등)</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-25 12:28:58 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1557317132</guid>
      </item>
      <item>
         <title>2224정아정</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1557318956</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://www.youtube.com/watch?v=x0mpRbXcMG4" />
         <pubDate>2021-05-25 12:29:35 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1557318956</guid>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1557321369</link>
         <description><![CDATA[<div>2224정아정<br>무대효과에 사용된다</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-25 12:30:24 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1557321369</guid>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1557323794</link>
         <description><![CDATA[<div>두 물질의 질량이 같을때 부피가 커야 밀도가 커진다(⭕️/❌)</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-25 12:31:12 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1557323794</guid>
      </item>
      <item>
         <title>2224정아정</title>
         <author></author>
         <link>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1557324612</link>
         <description><![CDATA[<div>밀도를 구하는 방법<br>밀도의 정의</div>]]></description>
         <enclosure url="" />
         <pubDate>2021-05-25 12:31:30 UTC</pubDate>
         <guid>https://padlet.com/02estel12/cqpsef9pypma9urx/wish/1557324612</guid>
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