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      <title>2학년 1 반 수행평가 by 지과쌤</title>
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      <pubDate>2022-05-23 23:21:25 UTC</pubDate>
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         <title>※필독※</title>
         <author>earthscienceteacher</author>
         <link>https://padlet.com/earthscienceteacher/earthscience_class1/wish/2196604206</link>
         <description><![CDATA[<div>♤ 제출 일시 : <strong>2022/ 06/ 06/ 월</strong><br>&nbsp; &nbsp; &nbsp;- 제출 기한 이후 제출시 하루마다&nbsp;<br>&nbsp; &nbsp; &nbsp; &nbsp;1점 감점됩니다.<br>&nbsp; &nbsp; &nbsp; &nbsp; 예시) 5일에 제출시 2점 감점<br>♤ 보고서 양식에 맞춰 작성해서 제출<br>&nbsp; &nbsp; &nbsp;합니다.<br>&nbsp; &nbsp; &nbsp;- 파일명 : 반_학번_이름_탐구주제<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;예시) B반_20321_홍채원_싱크<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 홀은 왜 발생할까?<br>♤ 평가 기준 : 내용의 깊이, 내용에&nbsp;<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;대한 이해도, 창의성,<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;자료의 적합성, 준비성,<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;참여도<br><br></div>]]></description>
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         <pubDate>2022-05-23 23:22:48 UTC</pubDate>
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      <item>
         <title>발표 대체 활동 안내</title>
         <author>earthscienceteacher</author>
         <link>https://padlet.com/earthscienceteacher/earthscience_class1/wish/2196604375</link>
         <description><![CDATA[<blockquote>이번엔 발표를 안하기로 결정했습니다.</blockquote><div>대신 패들렛에 모두 본인의 과제를 업로드하고 질의응답하는 방식으로 진행하려고 합니다.<br>♤ 개인당 필수 질문 : 2개<br>♤ 2개 미만 질문 시 감점,&nbsp; 2개 초과시 가산점 부여 <br>♤ 질문 기한 : <strong>6/8(수)</strong><br>♤ 답변 기한 : <strong>6/9(목)</strong><br>♤ 질문에 대한 대답을 했는지 여부와 적절했는지 또한 평가요소에 들어갑니다.<br>♤ 보고서를 읽고 궁금했던 점에 대해 "댓글로" 질문을 남기면 됩니다.<br>♤ 보고서를 제대로 읽지 않고 하는 질문이나 보고서 내용과 관련 없는 질문은 질문으로 인정받을 수 없습니다.</div>]]></description>
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         <pubDate>2022-05-23 23:23:05 UTC</pubDate>
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      <item>
         <title>탐구주제 : (본인의 탐구 주제를 쓰세요)</title>
         <author>earthscienceteacher</author>
         <link>https://padlet.com/earthscienceteacher/earthscience_class1/wish/2196604776</link>
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         <pubDate>2022-05-23 23:23:39 UTC</pubDate>
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      <item>
         <title>※필독※읽으면</title>
         <author>earthscienceteacher</author>
         <link>https://padlet.com/earthscienceteacher/earthscience_class1/wish/2198632955</link>
         <description><![CDATA[<div>"확인"이라고 댓글 달아주세요!</div>]]></description>
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         <pubDate>2022-05-25 02:33:36 UTC</pubDate>
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      <item>
         <title></title>
         <author>earthscienceteacher</author>
         <link>https://padlet.com/earthscienceteacher/earthscience_class1/wish/2208500870</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-06-02 05:37:59 UTC</pubDate>
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      <item>
         <title>지진파는 무엇이며, 지진계가 진동을 어떻게 감지할까?</title>
         <author></author>
         <link>https://padlet.com/earthscienceteacher/earthscience_class1/wish/2210987970</link>
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         <pubDate>2022-06-04 17:08:49 UTC</pubDate>
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      <item>
         <title>P파 S파의 주시곡선 해석 및 적용</title>
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         <pubDate>2022-06-04 17:16:08 UTC</pubDate>
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      <item>
         <title>우주론</title>
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         <pubDate>2022-06-05 13:56:03 UTC</pubDate>
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         <title></title>
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         <pubDate>2022-06-05 19:15:09 UTC</pubDate>
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         <title>1반 20127 황세민 지구과학 지진의 세기</title>
         <author></author>
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         <pubDate>2022-06-05 19:50:17 UTC</pubDate>
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      <item>
         <title>20105 김윤정</title>
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         <pubDate>2022-06-05 19:54:58 UTC</pubDate>
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         <title>기후변화가 일어나는 원인은 무엇일까? &amp; 기후변화와 질병의 관계 </title>
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         <pubDate>2022-06-05 20:14:23 UTC</pubDate>
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         <title></title>
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         <pubDate>2022-06-06 07:23:15 UTC</pubDate>
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         <title>기후변화가 바닷속 생태계에 어떤 영향을 미칠까</title>
         <author></author>
         <link>https://padlet.com/earthscienceteacher/earthscience_class1/wish/2211976087</link>
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         <pubDate>2022-06-06 08:49:02 UTC</pubDate>
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      <item>
         <title>2101강우민 지구과학 수행</title>
         <author></author>
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         <pubDate>2022-06-06 12:07:22 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/earthscienceteacher/earthscience_class1/wish/2212151412</link>
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         <pubDate>2022-06-06 12:34:43 UTC</pubDate>
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      <item>
         <title>2103 김선 : 황사 및 미세먼지 그리고 스모그 현상</title>
         <author></author>
         <link>https://padlet.com/earthscienceteacher/earthscience_class1/wish/2212157732</link>
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         <pubDate>2022-06-06 12:40:54 UTC</pubDate>
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      <item>
         <title>해파(심해파,천해파,풍파,너울)</title>
         <author></author>
         <link>https://padlet.com/earthscienceteacher/earthscience_class1/wish/2212174760</link>
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         <pubDate>2022-06-06 12:57:26 UTC</pubDate>
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         <title>지구자기장의 개념, 원리와 없어진다면 생길수있는일</title>
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         <link>https://padlet.com/earthscienceteacher/earthscience_class1/wish/2212188233</link>
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         <pubDate>2022-06-06 13:09:45 UTC</pubDate>
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      <item>
         <title>2104 김승주 : 지질 시대의 대표 생물들</title>
         <author></author>
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         <description><![CDATA[]]></description>
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         <pubDate>2022-06-06 13:40:37 UTC</pubDate>
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         <title></title>
         <author></author>
         <link>https://padlet.com/earthscienceteacher/earthscience_class1/wish/2212223886</link>
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         <pubDate>2022-06-06 13:40:48 UTC</pubDate>
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         <title></title>
         <author></author>
         <link>https://padlet.com/earthscienceteacher/earthscience_class1/wish/2212224173</link>
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         <pubDate>2022-06-06 13:41:02 UTC</pubDate>
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         <title></title>
         <author></author>
         <link>https://padlet.com/earthscienceteacher/earthscience_class1/wish/2212225962</link>
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         <pubDate>2022-06-06 13:42:31 UTC</pubDate>
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         <title>온도에 대한 정의와 측정방법</title>
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         <pubDate>2022-06-06 13:44:55 UTC</pubDate>
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      <item>
         <title>2120 조상협 빅뱅우주론 </title>
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         <pubDate>2022-06-06 13:55:14 UTC</pubDate>
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         <title></title>
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         <pubDate>2022-06-06 13:58:39 UTC</pubDate>
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         <title>양보연이 없어요</title>
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         <link>https://padlet.com/earthscienceteacher/earthscience_class1/wish/2212250455</link>
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         <pubDate>2022-06-06 14:03:58 UTC</pubDate>
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         <title></title>
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         <link>https://padlet.com/earthscienceteacher/earthscience_class1/wish/2212265249</link>
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         <pubDate>2022-06-06 14:16:52 UTC</pubDate>
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         <title></title>
         <author>sogariyu</author>
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         <title></title>
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         <pubDate>2022-06-06 15:26:04 UTC</pubDate>
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      <item>
         <title>각운동량 보존법칙</title>
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         <pubDate>2022-06-06 19:08:33 UTC</pubDate>
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         <title></title>
         <author></author>
         <link>https://padlet.com/earthscienceteacher/earthscience_class1/wish/2214161550</link>
         <description><![CDATA[<div>질문 안받아요..</div>]]></description>
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         <pubDate>2022-06-07 23:15:37 UTC</pubDate>
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         <title></title>
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         <pubDate>2022-06-08 12:43:28 UTC</pubDate>
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         <title></title>
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         <pubDate>2022-06-08 13:24:12 UTC</pubDate>
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         <title>2111 서재인 답변</title>
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         <description><![CDATA[<div>2116 음태훈-지구 공전 궤도의 이심률은 일정 범위 내에서 10만 년 정도의 주기를 갖고 변화합니다. 현재 타원상태의 공전궤도 상태라면,10만 년이 지나면, 다시 지구 공전 궤도 이심률은 현재와 동일할 것이므로 현재 타원상태의 공전궤도와 같은 궤도가 될것입니다.</div><div><br>2106 김준수- 온도감소로 인한 질병과 인간에게 미치는 영향을 조사했습니다.<br>우선 온도가 감소하면 우리는 추위를 느끼게 됩니다.추위라는 환경에 적응하기 위해 여러 장기와 근골격계, 호르몬 등이 평소와 다르게 기능하면서 몸에 변화가 발생합니다.</div><div>날씨가 추우면 위 운동 기능이 떨어집니다. 추워서 교감신경이 항진되면 위로 가는 혈류량이 줄어듭니다. 그러면 위장 운동이 잘 안 이뤄져 소화불량이 생기기 쉽습니다.<br>혈관 질환도 주의해야 합니다.기온이 1도만 떨어져도 수축기혈압은 1.3㎜Hg, 이완기혈압은 0.6㎜Hg이 올라갑니다. 체온을 올리기 위해 심부로 혈액이 몰리기 때문입니다.높은 혈압으로 혈관 내피가 찢어지면서 혈액 속 혈전(피떡)이 흘러나와 혈관을 막는 뇌경색· 신근경색을 주의해야합니다.<br>&nbsp;기온이 낮아지면 체온이 떨어지지 않도록 근육이&nbsp; 단단하게 뭉치면서 열 발산을 막는데, 이렇게 해도 체온을 유지할 수 없을 정도로 기온이 낮아지면 경련을 하면서 열을 만들어냅니다. 안 그래도 근육이 수축해있는 상태인데, 춥다고 몸을 움츠리면 근육이 과도하게 긴장해 조직이 손상되고 혈류량이 줄어 근육통이 초래됩니다.<br>&nbsp;위와 같이 온도 감소로 인한 우리 몸의 변화, 초래되는 질병에 대해 답변드렸습니다.<br><br>2125 최재하 - 네, 자전축이 세차 운동을 통해 1바퀴 도는 것을 360도 회전한다고 보았을 때,13000년이 지나면, 자전축의 방향이 현재와 반대 방향이 되고, 이는 현재보다 180도 회전한 것입니다.</div><div><br>2103 김선- 자전축의 경사방향이 바뀌는 이유는 세차운동때문입니다. 세차 운동이 나타나는 이유는 바로 지구의 중력 때문이라고 말씀 드릴 수 있습니다. 지구의 자전축은 수직축에 대해 23.5도 정도 기울어져 있어서 중력은 이 자전축을 잡아당기게 되겠지만, 자전축을 따라 지구가 돌면서 발생하는 돌림힘이라는 것이 작용하게 됩니다. 그래서 이 두 힘이 서로 평행을 이루면서 세차 운동이 나타나게 됩니다.태양이 지구를 당기는 힘은 거리에 따라 조금씩 다르게 작용하게 되는데, 우선 태양과 가까운 쪽일수록 더 큰 힘을 받으므로 부분부분에 따른 태양의 중력 차이로 인해 여러 힘의 작용으로 인해 세차 운동이 나타나게 됩니다.</div><div>&nbsp;고등 교육과정에서 다루지 않는 천문학적인 내용과 물리학적인 내용을 모두 다 담아 설명하기에는 그 설명 이해도가 쉽지 않아 이 정도로만 정리하겠습니다.</div>]]></description>
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         <pubDate>2022-06-09 09:57:02 UTC</pubDate>
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