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      <pubDate>2022-09-08 07:03:23 UTC</pubDate>
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         <description><![CDATA[<div>실험에서 10원짜리 동전의 가장자리에서 나온 빛이 공기로 나갈 때 굴절이 일어난다. 기름은 굴절 각도가 작으므로 많이 떠오른 것처럼 보이지 않는다. </div>]]></description>
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         <title>결과</title>
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         <description><![CDATA[<div>산화환원&nbsp;반응을 통해 전자가 이동하여 LED 꼬마 전구에 불이 들어왔다. 알루미늄 판과 구리 판에 산소 기체의 기포가 발생하였고 알루미늄 판과 구리 판과 근접한 부분은 산성도가 달라 BTB용액의 색 또한 달라졌다. </div>]]></description>
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         <description><![CDATA[<div>&nbsp; 에탄올을 조금씩 섞어주면서 점점 뿌옇게 되는 것이 눈에 보이기 시작하더니 에탄올을 모두 부어준 후에는 육안으로도 하얀색 층이 생긴 것을 볼 수 있었다. 이것을 나무젓가락으로 저어 주었더니 흰색의 DNA가 점점 뭉치는 것을 확인할 수 있었다.<br><br><br></div>]]></description>
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         <title>실험 결과및 성찰</title>
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         <description><![CDATA[<div>실험 결과:실험 중 오류가 발생하여 물을 수소와 산소로 전기분해 하는데 실패했습니다.실험에 성공 했다면 스트로우 안에 기포가 발생하여 물이 수소와 산소로 전기분해 되었어야 합니다.<br><br>성찰:물을 전기분해 하는 실험이라고 하여 주변에서 구할 수 있는 수돗물로도 할 수 있는 실험이라고 생각 했는데 순수한 물은 전류가 흐르지 않아서 수산화나트륨 용액을 사용한다는 것을 새롭게 알게되었고,&nbsp;<br>실험 중 오류가 생겨서 실험은 실패하였기 때문에 실험 후에 실험 실패 원인에 대해 분석해볼 수 있는 기회를 가지고자 합니다.</div>]]></description>
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         <title>실험 과정 </title>
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         <link>https://padlet.com/jimjung31/t9r06e73oko32wzz/wish/2304297089</link>
         <description><![CDATA[<div>결과: 사진에서 왼쪽부터 수돗물, 걸래빤물, 정제수, 생수로 ph 시약을 넣어서 실험을 하여 수돗물은 초록, 걸레빤물은 초록과 노랑사이, 정제수는 주황, 생수는 초록이 나왔다.<br>색들은 ph농도를 나타내는데<br>빨강에서 주황, 노랑, 초록, 파랑순으로 빨강은 산성, 초록은 중성, 파랑은 염기성으로 수돗물, 생수, 걸레빤물은 중성이고 정제수는 약간 산성을 띤다는 결과가 나왔다<br><br>성찰: 일반적인 생각으로는 물은 다 중성(ph 7.0)이라고 생각을 했는데 증류수는 주황색을 띄며 약산성 이라는 것을 알게되었다</div>]]></description>
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         <pubDate>2022-09-20 05:47:57 UTC</pubDate>
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         <title>결과 및 성찰</title>
         <author></author>
         <link>https://padlet.com/jimjung31/t9r06e73oko32wzz/wish/2304298216</link>
         <description><![CDATA[<div>풍선에 처음 주사기를 끝까지 밀어넣었을때는 25mm까지 튕겨나왔는데 밸브를 잠근 후 다시 밀어 넣었을때는 5mm까지 튕겨져 나왔다.<br>풍선속에 LED등을 넣고 흔들었을때는 소리가 났었는데 물 속에 넣고 풍선을 흔드니 풍선이 매질과 차단되어 소리가 나지 않았다.&nbsp;<br><br>성찰<br>처음 공기를 밀어 넣는것과 두번째 공기를 밀어넣는게 다를 줄은 알았지만 생각보다 많아달라서 놀랐고 실험과정이 헷갈려 허둥거렸던 것이 아쉬워서 다음에 할때는 사전에 공부를 더해야할 것 같다.</div>]]></description>
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         <pubDate>2022-09-20 05:48:56 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/jimjung31/t9r06e73oko32wzz/wish/2304298733</link>
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         <pubDate>2022-09-20 05:49:25 UTC</pubDate>
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         <title></title>
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         <link>https://padlet.com/jimjung31/t9r06e73oko32wzz/wish/2304299996</link>
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         <pubDate>2022-09-20 05:50:27 UTC</pubDate>
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      <item>
         <title>실험 보고서</title>
         <author></author>
         <link>https://padlet.com/jimjung31/t9r06e73oko32wzz/wish/2304302538</link>
         <description><![CDATA[<div>실험 계획서</div><div><br></div><div>동기: 하늘을 나는 헬리콥터를 보고 저것은 어떤 원리로 날수있을까?라는 의문점이 생겨 이 주제를 선정하였다</div><div><br></div><div>준비물: 드론실험키트, 건전지&nbsp;</div><div><br></div><div>실험목표: 드론이 나는 원리를 알고 양력이라는 과학적 원리를 실험을 통해 좀 더 쉽게 알기위해서이다. 그리고 날개가 생긴 모양을 보고 양력이 어떻게 작용하는지 알아보기 위해서이다.</div><div><br></div><div>실험 과정: 1. 드론키트에 있는 모터를 드론에 끼운다</div><div>2. 메인보드를 끼운다</div><div>3. 날개를 양력에 원리에 맞도록 끼운다</div><div>4. 비행기 모양의 덮개를 끼운다</div><div>5. 처음에 작동하는지 시동을 걸어본다</div><div>6. 잘 작동하면 이륙시켜본다</div><div>7. 드론이 하강하거나 좌우로 움직일때 날개가 어떻게 움직이는지 알아본다</div><div><br></div><div>실험결과: 드론의 날개 구조는 프로펠러가 회전시 공기를 아래쪽으로 밀어낼수 있도록 경사면으로 만들고 이때 밀려나가는 공기가 드론 기체를 위쪽으로 띄운다</div><div>드론이 오른쪽으로 갈때는 오른쪽의 날개의 힘은 약해지고 드론이 왼쪽으로 갈때는 힘이 세진다 외쪽은 그의 반대이다 드론이 하강할때는 드론의 날개가 반대로 움직입니다.</div><div><br></div>]]></description>
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         <pubDate>2022-09-20 05:52:31 UTC</pubDate>
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         <title></title>
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         <pubDate>2022-09-20 06:28:21 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/jimjung31/t9r06e73oko32wzz/wish/2304347984</link>
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         <pubDate>2022-09-20 06:28:37 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/jimjung31/t9r06e73oko32wzz/wish/2304353476</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-09-20 06:33:00 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/jimjung31/t9r06e73oko32wzz/wish/2304354222</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-09-20 06:33:23 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/jimjung31/t9r06e73oko32wzz/wish/2304354889</link>
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         <pubDate>2022-09-20 06:33:49 UTC</pubDate>
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      <item>
         <title>실험 결과</title>
         <author></author>
         <link>https://padlet.com/jimjung31/t9r06e73oko32wzz/wish/2304356198</link>
         <description><![CDATA[<div>텐세그리티를 만드는 과정에서 같은 길이의 스트로폼을 고정시켜서 같은 길이로 실을 연결해야하는데 연결된 실의 길이가 같지 않았다. 그래서 텐세그리티를 완성하니 불안정한 상태가 되면서 무너져버렸다. 그리고 삼각형이다 보니 힘이 골고루 전달이 잘 되지 않은 것도 금방 무너지게 된 이유인 것 같다.</div>]]></description>
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         <pubDate>2022-09-20 06:34:41 UTC</pubDate>
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         <title>성찰</title>
         <author></author>
         <link>https://padlet.com/jimjung31/t9r06e73oko32wzz/wish/2304360176</link>
         <description><![CDATA[<div>인테리어에도 주로 사용되는 텐센그리티를 실제로 만들어보니 장력, 인력 등 다양한 물리법칙이 사용된다는 것이 실감나게 느껴졌고 이런 법칙들을 이해하게 되었으며 이를 이용하여 실생활에 적용할 수 있을 거 같다.</div>]]></description>
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         <pubDate>2022-09-20 06:37:16 UTC</pubDate>
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         <title></title>
         <author></author>
         <link>https://padlet.com/jimjung31/t9r06e73oko32wzz/wish/2333680134</link>
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         <pubDate>2022-10-10 14:33:09 UTC</pubDate>
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         <title></title>
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         <link>https://padlet.com/jimjung31/t9r06e73oko32wzz/wish/2333681321</link>
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         <pubDate>2022-10-10 14:33:56 UTC</pubDate>
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