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    <title>ばばちゃん先生</title>
    <description>理科教師×芸人。
元素を笑いにして、学校と人生を考える。
うまく生きられない私の、観察記録。</description>
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    <copyright>ばばちゃん先生</copyright>
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    <item>
      <title>「1」と「1.00」は何が違う？ 有効数字を“数字の読み方”から教える授業</title>
      <description><![CDATA[<h2 name="cd31425d-656e-42a3-b6f0-23b73b095f15" id="cd31425d-656e-42a3-b6f0-23b73b095f15"><br></h2><p name="fd05752a-3d39-404b-851d-a48436811230" id="fd05752a-3d39-404b-851d-a48436811230">「1」と「1.0」と「1.00」。</p><br/><a href='https://note.com/sakurairyuta1121/n/n0fe6531405ab'>続きをみる</a>]]></description>
      <note:creatorImage>https://assets.st-note.com/production/uploads/images/263394499/profile_414542210e31d050e549303ebc2a8124.png?fit=bounds&amp;format=jpeg&amp;quality=85&amp;width=330</note:creatorImage>
      <note:creatorName>ばばちゃん先生</note:creatorName>
      <pubDate>Wed, 07 Oct 2026 01:09:58 +0900</pubDate>
      <link>https://note.com/sakurairyuta1121/n/n0fe6531405ab</link>
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    </item>
    <item>
      <title>授業して、養成所行って、ライブを観た。今日も私は二足のわらじ。</title>
      <description><![CDATA[<h2 name="30cfed06-d1dc-41e1-a7b3-c48d5b933162" id="30cfed06-d1dc-41e1-a7b3-c48d5b933162"><br></h2><p name="4d36e9f8-f612-4030-b23b-176248d91f5b" id="4d36e9f8-f612-4030-b23b-176248d91f5b">今日は、なんだか妙に濃い一日だった。</p><br/><a href='https://note.com/sakurairyuta1121/n/n162f586ec5b5'>続きをみる</a>]]></description>
      <note:creatorImage>https://assets.st-note.com/production/uploads/images/263394499/profile_414542210e31d050e549303ebc2a8124.png?fit=bounds&amp;format=jpeg&amp;quality=85&amp;width=330</note:creatorImage>
      <note:creatorName>ばばちゃん先生</note:creatorName>
      <pubDate>Tue, 06 Oct 2026 23:21:37 +0900</pubDate>
      <link>https://note.com/sakurairyuta1121/n/n162f586ec5b5</link>
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    </item>
    <item>
      <title>教員って、「しんどい」って言うことすら許されないんですか？</title>
      <description><![CDATA[<h2 name="2742052d-6849-46a8-96b4-11eaf68b49fe" id="2742052d-6849-46a8-96b4-11eaf68b49fe"><br></h2><p name="fb602bef-755c-46ad-b15f-b060ad724c6e" id="fb602bef-755c-46ad-b15f-b060ad724c6e">本当に疑問なんです。</p><br/><a href='https://note.com/sakurairyuta1121/n/n9218496e3852'>続きをみる</a>]]></description>
      <note:creatorImage>https://assets.st-note.com/production/uploads/images/263394499/profile_414542210e31d050e549303ebc2a8124.png?fit=bounds&amp;format=jpeg&amp;quality=85&amp;width=330</note:creatorImage>
      <note:creatorName>ばばちゃん先生</note:creatorName>
      <pubDate>Tue, 06 Oct 2026 14:10:36 +0900</pubDate>
      <link>https://note.com/sakurairyuta1121/n/n9218496e3852</link>
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    <item>
      <title>仕事に行きたくない理由は、「仕事」じゃなかった。</title>
      <description><![CDATA[<h2 name="98af8472-44a5-4c05-b47d-772c8e581c39" id="98af8472-44a5-4c05-b47d-772c8e581c39"><br></h2><p name="4cff61bd-d763-4f59-ac79-c15b8c11730b" id="4cff61bd-d763-4f59-ac79-c15b8c11730b">「明日、仕事行きたくないな。」</p><br/><a href='https://note.com/sakurairyuta1121/n/ne6ee4b69f4fc'>続きをみる</a>]]></description>
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      <note:creatorName>ばばちゃん先生</note:creatorName>
      <pubDate>Mon, 05 Oct 2026 21:42:13 +0900</pubDate>
      <link>https://note.com/sakurairyuta1121/n/ne6ee4b69f4fc</link>
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    <item>
      <title>『この気持ちもいつか忘れる』住野よる</title>
      <description><![CDATA[<h2 name="fc6b7443-50da-4e61-940d-a486507ef6f8" id="fc6b7443-50da-4e61-940d-a486507ef6f8"><br></h2><figure name="edaedb40-5683-41a9-9928-d6b4f5a9c44f" id="edaedb40-5683-41a9-9928-d6b4f5a9c44f"><img src="https://assets.st-note.com/img/1791200674-aHXGCTQvWjDz0qIFnK4ycx9i.jpg" alt="" width="620" height="620"><figcaption></figcaption></figure><br/><a href='https://note.com/sakurairyuta1121/n/n69d6fdb25e8d'>続きをみる</a>]]></description>
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      <note:creatorName>ばばちゃん先生</note:creatorName>
      <pubDate>Mon, 05 Oct 2026 20:44:59 +0900</pubDate>
      <link>https://note.com/sakurairyuta1121/n/n69d6fdb25e8d</link>
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    <item>
      <title>『あと少しだから頑張れ』が、もうしんどい</title>
      <description><![CDATA[<h2 name="68803d06-d23d-4072-bf49-54eb6586cd57" id="68803d06-d23d-4072-bf49-54eb6586cd57"><br></h2><p name="3eca530f-b06c-4314-8c5f-4f23a0f35c02" id="3eca530f-b06c-4314-8c5f-4f23a0f35c02">「あれもやらなきゃ」</p><br/><a href='https://note.com/sakurairyuta1121/n/n09e9e979572c'>続きをみる</a>]]></description>
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      <note:creatorName>ばばちゃん先生</note:creatorName>
      <pubDate>Mon, 05 Oct 2026 19:07:07 +0900</pubDate>
      <link>https://note.com/sakurairyuta1121/n/n09e9e979572c</link>
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    <item>
      <title>『さよなら嘘つき人魚姫』汐見夏衛</title>
      <description><![CDATA[<p name="1dda4a7b-683b-4f74-8f4d-0022a92e61d1" id="1dda4a7b-683b-4f74-8f4d-0022a92e61d1"><br></p><figure name="da161e8f-6caa-4c82-816a-c19914b64ecd" id="da161e8f-6caa-4c82-816a-c19914b64ecd"><img src="https://assets.st-note.com/img/1790174238-WeUufTD21PBbLQ7JrkOYogdI.jpg" alt="" width="620" height="609"><figcaption></figcaption></figure><br/><a href='https://note.com/sakurairyuta1121/n/nc33020864a32'>続きをみる</a>]]></description>
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      <note:creatorName>ばばちゃん先生</note:creatorName>
      <pubDate>Sun, 04 Oct 2026 23:54:03 +0900</pubDate>
      <link>https://note.com/sakurairyuta1121/n/nc33020864a32</link>
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    </item>
    <item>
      <title>9月、学校が始まる。それだけでしんどい子がいる。</title>
      <description><![CDATA[<h2 name="250812ac-e422-43b7-b288-4d03ef646543" id="250812ac-e422-43b7-b288-4d03ef646543"><br></h2><p name="5a7a1f0f-aec8-4c91-9916-1a08ccf69d2c" id="5a7a1f0f-aec8-4c91-9916-1a08ccf69d2c">「夏休み、終わっちゃったね」</p><br/><a href='https://note.com/sakurairyuta1121/n/n628e87703d45'>続きをみる</a>]]></description>
      <note:creatorImage>https://assets.st-note.com/production/uploads/images/263394499/profile_414542210e31d050e549303ebc2a8124.png?fit=bounds&amp;format=jpeg&amp;quality=85&amp;width=330</note:creatorImage>
      <note:creatorName>ばばちゃん先生</note:creatorName>
      <pubDate>Sun, 04 Oct 2026 21:05:19 +0900</pubDate>
      <link>https://note.com/sakurairyuta1121/n/n628e87703d45</link>
      <guid>https://note.com/sakurairyuta1121/n/n628e87703d45</guid>
    </item>
    <item>
      <title>『ピンクとグレー』加藤シゲアキ</title>
      <description><![CDATA[<h2 name="defbfdda-8cfc-48ef-8934-64dc72c91024" id="defbfdda-8cfc-48ef-8934-64dc72c91024"><br></h2><figure name="7053d6ac-c6f7-4c04-8e37-ba17876a482c" id="7053d6ac-c6f7-4c04-8e37-ba17876a482c"><img src="https://assets.st-note.com/img/1790061359-zmZqfM12CLKJ0PN5vnGB9g38.jpg" alt="" width="620" height="614"><figcaption></figcaption></figure><br/><a href='https://note.com/sakurairyuta1121/n/n44297683c400'>続きをみる</a>]]></description>
      <note:creatorImage>https://assets.st-note.com/production/uploads/images/263394499/profile_414542210e31d050e549303ebc2a8124.png?fit=bounds&amp;format=jpeg&amp;quality=85&amp;width=330</note:creatorImage>
      <note:creatorName>ばばちゃん先生</note:creatorName>
      <pubDate>Sun, 04 Oct 2026 21:05:05 +0900</pubDate>
      <link>https://note.com/sakurairyuta1121/n/n44297683c400</link>
      <guid>https://note.com/sakurairyuta1121/n/n44297683c400</guid>
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    <item>
      <title>「水素、ちょっと預かりますけど。」パラジウムという元素の性格を化学で解剖する【完全版】</title>
      <description><![CDATA[<h2 name="16ab6428-b6ac-414b-9e34-01e96bc572d9" id="16ab6428-b6ac-414b-9e34-01e96bc572d9"><br></h2><p name="8d40b632-2539-454b-b600-bcf5c8439bd0" id="8d40b632-2539-454b-b600-bcf5c8439bd0">「水素、ちょっと預かりますけど。」</p><br/><a href='https://note.com/sakurairyuta1121/n/n3fd758d14111'>続きをみる</a>]]></description>
      <note:creatorImage>https://assets.st-note.com/production/uploads/images/263394499/profile_414542210e31d050e549303ebc2a8124.png?fit=bounds&amp;format=jpeg&amp;quality=85&amp;width=330</note:creatorImage>
      <note:creatorName>ばばちゃん先生</note:creatorName>
      <pubDate>Sun, 04 Oct 2026 21:04:50 +0900</pubDate>
      <link>https://note.com/sakurairyuta1121/n/n3fd758d14111</link>
      <guid>https://note.com/sakurairyuta1121/n/n3fd758d14111</guid>
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    <item>
      <title>2027共通テスト「化学」、これ出るんじゃね？</title>
      <description><![CDATA[<h2 name="edfb8406-c171-4c42-9119-151332a4b60e" id="edfb8406-c171-4c42-9119-151332a4b60e"><br></h2><p name="63009679-4c66-4c99-9465-4527c137298b" id="63009679-4c66-4c99-9465-4527c137298b">※これは出題を的中させる「予言」ではありません。<br>現時点での共通テストの傾向や、化学という科目の出題のされ方を踏まえた、現役理科教師・ばばちゃん先生の個人的な「警戒リスト」です。</p><br/><a href='https://note.com/sakurairyuta1121/n/n15c43a5cac15'>続きをみる</a>]]></description>
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      <note:creatorName>ばばちゃん先生</note:creatorName>
      <pubDate>Sun, 04 Oct 2026 19:37:26 +0900</pubDate>
      <link>https://note.com/sakurairyuta1121/n/n15c43a5cac15</link>
      <guid>https://note.com/sakurairyuta1121/n/n15c43a5cac15</guid>
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    <item>
      <title>なぜ理系の高校生は「生物」を選ばないのか。</title>
      <description><![CDATA[<h2 name="178cad6c-f8c8-4c69-a714-917679efc647" id="178cad6c-f8c8-4c69-a714-917679efc647"><br></h2><p name="3e28c9ca-bffa-4765-aa7b-f6bb3cabe434" id="3e28c9ca-bffa-4765-aa7b-f6bb3cabe434">「生物が好きです」</p><br/><a href='https://note.com/sakurairyuta1121/n/n098bc2992995'>続きをみる</a>]]></description>
      <note:creatorImage>https://assets.st-note.com/production/uploads/images/263394499/profile_414542210e31d050e549303ebc2a8124.png?fit=bounds&amp;format=jpeg&amp;quality=85&amp;width=330</note:creatorImage>
      <note:creatorName>ばばちゃん先生</note:creatorName>
      <pubDate>Sun, 04 Oct 2026 18:32:29 +0900</pubDate>
      <link>https://note.com/sakurairyuta1121/n/n098bc2992995</link>
      <guid>https://note.com/sakurairyuta1121/n/n098bc2992995</guid>
    </item>
    <item>
      <title>先生になる道が変わる？教員不足の時代に、免許状をめぐる議論が始まっている</title>
      <description><![CDATA[<h2 name="c05a908e-7de7-449d-ab7b-c8b7ed9b6173" id="c05a908e-7de7-449d-ab7b-c8b7ed9b6173"><br></h2><p name="175d47e7-c888-4975-8df4-2433dea77b8e" id="175d47e7-c888-4975-8df4-2433dea77b8e">「先生が足りない。」</p><br/><a href='https://note.com/sakurairyuta1121/n/n49ea0ae77024'>続きをみる</a>]]></description>
      <note:creatorImage>https://assets.st-note.com/production/uploads/images/263394499/profile_414542210e31d050e549303ebc2a8124.png?fit=bounds&amp;format=jpeg&amp;quality=85&amp;width=330</note:creatorImage>
      <note:creatorName>ばばちゃん先生</note:creatorName>
      <pubDate>Sun, 04 Oct 2026 18:32:16 +0900</pubDate>
      <link>https://note.com/sakurairyuta1121/n/n49ea0ae77024</link>
      <guid>https://note.com/sakurairyuta1121/n/n49ea0ae77024</guid>
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    <item>
      <title>『私は自分にいちばんモテたい』おかめ微々ちゃん</title>
      <description><![CDATA[<h2 name="d74db19b-bb5f-4215-89b6-fbb8439ac6d9" id="d74db19b-bb5f-4215-89b6-fbb8439ac6d9"><br></h2><figure name="b6720b4b-5bc7-4f24-9568-3c74f00a60f8" id="b6720b4b-5bc7-4f24-9568-3c74f00a60f8"><img src="https://assets.st-note.com/img/1790055613-w3rZx5jYCucGgo8OJmb2FtSM.jpg" alt="" width="620" height="605"><figcaption></figcaption></figure><br/><a href='https://note.com/sakurairyuta1121/n/n7c3cfb8cf9a0'>続きをみる</a>]]></description>
      <note:creatorImage>https://assets.st-note.com/production/uploads/images/263394499/profile_414542210e31d050e549303ebc2a8124.png?fit=bounds&amp;format=jpeg&amp;quality=85&amp;width=330</note:creatorImage>
      <note:creatorName>ばばちゃん先生</note:creatorName>
      <pubDate>Sun, 04 Oct 2026 18:31:33 +0900</pubDate>
      <link>https://note.com/sakurairyuta1121/n/n7c3cfb8cf9a0</link>
      <guid>https://note.com/sakurairyuta1121/n/n7c3cfb8cf9a0</guid>
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    <item>
      <title>「俺、排ガスの後始末してます。」ロジウムという元素の性格を化学で解剖する【完全版】</title>
      <description><![CDATA[<h2 name="d0ab44e4-0fa4-4c34-9aa6-5ade0df900da" id="d0ab44e4-0fa4-4c34-9aa6-5ade0df900da"><br></h2><p name="ed89fb07-bb89-41bd-b6c1-cf1d1d6ec73c" id="ed89fb07-bb89-41bd-b6c1-cf1d1d6ec73c">「俺、排ガスの後始末してます。」</p><br/><a href='https://note.com/sakurairyuta1121/n/nc7d789e55626'>続きをみる</a>]]></description>
      <note:creatorImage>https://assets.st-note.com/production/uploads/images/263394499/profile_414542210e31d050e549303ebc2a8124.png?fit=bounds&amp;format=jpeg&amp;quality=85&amp;width=330</note:creatorImage>
      <note:creatorName>ばばちゃん先生</note:creatorName>
      <pubDate>Sun, 04 Oct 2026 18:30:59 +0900</pubDate>
      <link>https://note.com/sakurairyuta1121/n/nc7d789e55626</link>
      <guid>https://note.com/sakurairyuta1121/n/nc7d789e55626</guid>
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    <item>
      <title>将来が見えない20代へ。人生を動かす3ステップ</title>
      <description><![CDATA[<h2 name="513172db-4311-4def-b16f-89ded8cf0325" id="513172db-4311-4def-b16f-89ded8cf0325"><br></h2><p name="1535e566-72f6-48ba-acba-4bac1f50d9b9" id="1535e566-72f6-48ba-acba-4bac1f50d9b9">「将来が見えない」</p><br/><a href='https://note.com/sakurairyuta1121/n/n64316bc0feec'>続きをみる</a>]]></description>
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      <note:creatorName>ばばちゃん先生</note:creatorName>
      <pubDate>Sun, 04 Oct 2026 16:53:01 +0900</pubDate>
      <link>https://note.com/sakurairyuta1121/n/n64316bc0feec</link>
      <guid>https://note.com/sakurairyuta1121/n/n64316bc0feec</guid>
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    <item>
      <title>20代、将来が見えない。見えないのは私だけじゃなかった。</title>
      <description><![CDATA[<h2 name="379c3238-2791-4658-a485-d9ec799c4890" id="379c3238-2791-4658-a485-d9ec799c4890"><br></h2><p name="e09fee21-bce6-4a06-a55d-6a80909365e7" id="e09fee21-bce6-4a06-a55d-6a80909365e7">「将来、どうするの？」</p><br/><a href='https://note.com/sakurairyuta1121/n/nafddd7c834fc'>続きをみる</a>]]></description>
      <note:creatorImage>https://assets.st-note.com/production/uploads/images/263394499/profile_414542210e31d050e549303ebc2a8124.png?fit=bounds&amp;format=jpeg&amp;quality=85&amp;width=330</note:creatorImage>
      <note:creatorName>ばばちゃん先生</note:creatorName>
      <pubDate>Sun, 04 Oct 2026 16:52:08 +0900</pubDate>
      <link>https://note.com/sakurairyuta1121/n/nafddd7c834fc</link>
      <guid>https://note.com/sakurairyuta1121/n/nafddd7c834fc</guid>
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    <item>
      <title>滑った。頭も痛い。鍵は見つかった</title>
      <description><![CDATA[<p name="60ea1075-76bd-4e81-a89f-35fa22484edc" id="60ea1075-76bd-4e81-a89f-35fa22484edc">今日、ぶちぬき魂プレーオフに行ってきた。<br></p><figure name="92f5b1d1-8552-40a5-a5fb-ef0c79f91a7e" id="92f5b1d1-8552-40a5-a5fb-ef0c79f91a7e"><img src="https://assets.st-note.com/img/1791096614-dPDghmAGc4E7IpfeYsLKiQRN.jpg" alt="" width="620" height="1102"><figcaption></figcaption></figure><br/><a href='https://note.com/sakurairyuta1121/n/n1aa5cf81e338'>続きをみる</a>]]></description>
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      <note:creatorName>ばばちゃん先生</note:creatorName>
      <pubDate>Sun, 04 Oct 2026 15:50:41 +0900</pubDate>
      <link>https://note.com/sakurairyuta1121/n/n1aa5cf81e338</link>
      <guid>https://note.com/sakurairyuta1121/n/n1aa5cf81e338</guid>
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      <title>「教師だから分かる」じゃなくて、「分からないからこそ、向き合う」</title>
      <description><![CDATA[<h2 name="70d9c340-f51b-4379-9a3f-52ecf918e80e" id="70d9c340-f51b-4379-9a3f-52ecf918e80e"><br></h2><figure name="2cf04de7-9715-4962-8916-5e28e68fc829" id="2cf04de7-9715-4962-8916-5e28e68fc829"><img src="https://assets.st-note.com/img/1789908089-kUjT1f9amMc2H0zVK4ehn7x8.jpg" alt="" width="620" height="763"><figcaption></figcaption></figure><br/><a href='https://note.com/sakurairyuta1121/n/n31cf268317bb'>続きをみる</a>]]></description>
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      <note:creatorName>ばばちゃん先生</note:creatorName>
      <pubDate>Sun, 04 Oct 2026 15:44:13 +0900</pubDate>
      <link>https://note.com/sakurairyuta1121/n/n31cf268317bb</link>
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      <title>「俺、少量でも仕事しますけど。」ルテニウムという元素の性格を化学で解剖する【完全版・有料note】</title>
      <description><![CDATA[<h2 name="ce2305a7-832c-4771-989e-47a49bda5d78" id="ce2305a7-832c-4771-989e-47a49bda5d78"><br></h2><p name="ef278f4f-f261-4bac-b949-b5df17bb1e41" id="ef278f4f-f261-4bac-b949-b5df17bb1e41">周期表44番。</p><br/><a href='https://note.com/sakurairyuta1121/n/nbc112c3193f1'>続きをみる</a>]]></description>
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      <note:creatorName>ばばちゃん先生</note:creatorName>
      <pubDate>Sun, 04 Oct 2026 15:43:25 +0900</pubDate>
      <link>https://note.com/sakurairyuta1121/n/nbc112c3193f1</link>
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      <title>教員の「あるある」を理科で説明してみた</title>
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      <pubDate>Sun, 04 Oct 2026 15:42:44 +0900</pubDate>
      <link>https://note.com/sakurairyuta1121/n/nc5b5eb8ed1e9</link>
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