{"id":54885,"date":"2025-10-24T04:58:55","date_gmt":"2025-10-23T19:58:55","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=54885"},"modified":"2025-10-24T04:58:55","modified_gmt":"2025-10-23T19:58:55","slug":"metallien-tuolileikki-haluan-olla-ioni-mikroskaalan-koe-metallien-reaktiivisuudesta","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=54885&lang=fi","title":{"rendered":"Metallien tuolileikki! \u201cHaluan olla ioni!\u201d Mikroskaalan koe metallien reaktiivisuudesta"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>T\u00e4ss\u00e4 on Kensaku Kuwako, tiedekouluttajanne. Jokainen p\u00e4iv\u00e4 on kokeilu!<\/strong><\/span><\/p>\n<p>Miksi rautanaula ruostuu, mutta kultasormus s\u00e4ilytt\u00e4\u00e4 hohtonsa ikuisesti? Miksi paristot tuottavat s\u00e4hk\u00f6\u00e4 vain tiettyjen metalliyhdistelmien avulla? Salaisuus piilee siin\u00e4, kuinka vahvasti metallit haluavat &#8220;muuttua ioneiksi!&#8221;, eli niiden &#8220;kyvyss\u00e4 muuttua metalli-ioneiksi&#8221;.<\/p>\n<p>T\u00e4n\u00e4\u00e4n esittelen teille ymp\u00e4rist\u00f6yst\u00e4v\u00e4llisen, mikromittakaavassa (ultrapienell\u00e4 skaalalla) suoritettavan kokeen, jolla paljastetaan t\u00e4m\u00e4 n\u00e4kym\u00e4t\u00f6n metallien &#8220;tosi aie&#8221;. Avainsanat ovat &#8220;pienet kemikaalim\u00e4\u00e4r\u00e4t, havaittavuus ja turvallisuus&#8221;. Parasta on, ett\u00e4 koe on helppo toteuttaa, jopa yl\u00e4asteik\u00e4isille, ja vaatii vain v\u00e4h\u00e4n esivalmisteluja. Olitpa sitten kemian yst\u00e4v\u00e4 tai hieman ep\u00e4ilev\u00e4, v\u00e4rien muutos saa sinut varmasti innostumaan!<\/p>\n<p>&#8220;Metallin muuttuminen ioniksi vesiliuoksessa&#8221; saattaa kuulostaa hankalalta, mutta kun n\u00e4et dramaattiset muutokset, kuten metallin v\u00e4rin muuttumisen tai liuoksen sinisen v\u00e4rin katoamisen, ymm\u00e4rr\u00e4t heti: &#8220;Ahaa, t\u00e4t\u00e4 se tarkoittaa!&#8221; Lis\u00e4ksi k\u00e4ytt\u00e4m\u00e4ll\u00e4 mikrolevy\u00e4 ja pikkupulloja j\u00e4tteen m\u00e4\u00e4r\u00e4 v\u00e4henee dramaattisesti, minimoiden kokeen ymp\u00e4rist\u00f6vaikutukset.<\/p>\n<p>T\u00e4ss\u00e4 artikkelissa k\u00e4ymme l\u00e4pi yksityiskohtaisesti kokeen valmistelut, havainnot ja pohdinnan siit\u00e4, &#8220;miksi n\u00e4in tapahtuu&#8221;.<\/p>\n<h3>Tarvikkeet<\/h3>\n<p>Ty\u00f6kalu \/ Kemikaali | Kuvaus &#8212; | &#8212; Kupari-, sinkki- ja magnesiumlevyt | Kokeen p\u00e4\u00e4t\u00e4hdet, kolme metalli&#8221;pelaajaa&#8221;<\/p>\n<ul>\n<li>3 % kuparisulfaattiliuos | Kupari-ioni (sininen)<\/li>\n<li>3 % sinkkisulfaattiliuos | Sinkki-ioni (v\u00e4rit\u00f6n)<\/li>\n<li>3 % magnesiumsulfaattiliuos | Magnesium-ioni (v\u00e4rit\u00f6n)<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-41456 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/8cb3497077def7d6ab78fcdfb37f419f.jpg\" sizes=\"auto, (max-width: 352px) 100vw, 352px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/8cb3497077def7d6ab78fcdfb37f419f.jpg 1304w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/8cb3497077def7d6ab78fcdfb37f419f-300x248.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/8cb3497077def7d6ab78fcdfb37f419f-1024x845.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/8cb3497077def7d6ab78fcdfb37f419f-768x634.jpg 768w\" alt=\"\" width=\"352\" height=\"290\" \/>&#x1f4a1; Suositeltu tuote: Narikan pienet pullot (t\u00e4\u00e4lt\u00e4) helpottavat annostelua pisara kerrallaan ja niiden k\u00e4ytt\u00f6tuntuma on t\u00e4ysin eri luokkaa kuin euron pullojen.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-41584 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/51d1ea81fb49058b97be9b26fedd6914.jpg\" alt=\"\" width=\"443\" height=\"259\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/51d1ea81fb49058b97be9b26fedd6914.jpg 892w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/51d1ea81fb49058b97be9b26fedd6914-300x176.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/51d1ea81fb49058b97be9b26fedd6914-768x449.jpg 768w\" sizes=\"auto, (max-width: 443px) 100vw, 443px\" \/><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.rika.com\/product\/detailed\/S75-1140-02\">https:\/\/www.rika.com\/product\/detailed\/S75-1140-02<\/a><\/p>\n<p>Muita tarvittavia v\u00e4lineit\u00e4 ovat mikrolevy (jossa reaktioita voi tarkkailla pienell\u00e4 m\u00e4\u00e4r\u00e4ll\u00e4), pinsetit ja suojalasit.<\/p>\n<h3>Kemikaalien valmistelu (3 % liuoksen ohje)<\/h3>\n<p class=\"p3\">T\u00e4ss\u00e4 ohjeet liuosten valmistukseen. N\u00e4m\u00e4 ovat hieman teknisempi\u00e4 muistiinpanoja opettajille.<\/p>\n<p>3 % kuparisulfaattiliuoksen valmistus: Liuota kuparisulfaatti(II) pentahydraatti (CuSO4\u30fb5H20) 4,9 g + 100 g vett\u00e4.<\/p>\n<p>3 % sinkkisulfaattiliuoksen valmistus: Liuota sinkkisulfaatti heptahydraatti (ZnS04\u30fb7H20) 5,6 g + 100 g vett\u00e4.<\/p>\n<p>3 % magnesiumsulfaattiliuoksen valmistus: Liuota magnesiumsulfaatti heptahydraatti (MgSO4\u30fb7H20) 6,5 g + 100 g vett\u00e4.<\/p>\n<div class=\"google-auto-placed ap_container\">T\u00e4ll\u00e4 menetelm\u00e4ll\u00e4 saat noin 100 g liuosta. T\u00e4ytt\u00e4m\u00e4ll\u00e4 pikkupullot (10 ml) saat noin 11 pulloa, mik\u00e4 on sopiva m\u00e4\u00e4r\u00e4 kymmenelle ryhm\u00e4lle.<\/div>\n<h3>Kokeen vaiheet<\/h3>\n<p><strong>Metallilevyjen valmistelu<\/strong><\/p>\n<p>Hio jokainen metallilevy kevyesti, kunnes pinta kiilt\u00e4\u00e4. T\u00e4ll\u00e4 poistetaan pinnalla oleva hapettunut kerros (ruoste tms.) ja paljastetaan metallin &#8220;oikeat kasvot&#8221;. Reaktio tapahtuu n\u00e4in huomattavasti helpommin!<\/p>\n<p><strong>Metallin asettelu mikrolevylle<\/strong><\/p>\n<p>Aseta kolme erilaista metallinpalaa mikrolevyn jokaiseen kuoppaan (soluun). (K\u00e4yt\u00e4mme 9 kuoppaa, jotta saamme kokeiltua kaikki 3 metallia \u00d7 3 liuosta -yhdistelm\u00e4t).<\/p>\n<p><strong>Lis\u00e4\u00e4 liuokset tiputtamalla<\/strong>Pikkupulloilla lis\u00e4t\u00e4\u00e4n noin 3 tippaa kutakin liuosta kuhunkin metalliin. <strong>Tarkkaile reaktiota<\/strong>Kiinnit\u00e4 huomiota kolmeen seikkaan: v\u00e4rin muutokseen, kuplien muodostumiseen ja metallin pinnan ulkon\u00e4k\u00f6\u00f6n.<\/p>\n<h3>Kokeen tulokset ja havaintoesimerkit<\/h3>\n<p>T\u00e4ss\u00e4 on kokeen todelliset tulokset.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u91d1\u5c5e\u306e\u7a2e\u985e\u3068\u30a4\u30aa\u30f3\u306e\u306a\u308a\u3084\u3059\u3055\u306e\u5b9f\u9a13\uff08\u30de\u30a4\u30af\u30ed\u30b9\u30b1\u30fc\u30eb\u5b9f\u9a13\uff09\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/3Wj6nx0YqKQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>T\u00e4ss\u00e4 n\u00e4kym\u00e4 mikrolevyst\u00e4. Kaikista yhdeks\u00e4st\u00e4 yhdistelm\u00e4st\u00e4 havaittiin selv\u00e4t reaktiot joissakin kuopissa (kuten kuvassa vasemmassa alakulmassa olevat kolme kuoppaa).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-44240 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/12\/7e6d08bad047632e7448a7434c39687e.jpg\" alt=\"\" width=\"627\" height=\"628\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/12\/7e6d08bad047632e7448a7434c39687e.jpg 1504w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/12\/7e6d08bad047632e7448a7434c39687e-300x300.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/12\/7e6d08bad047632e7448a7434c39687e-1024x1024.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/12\/7e6d08bad047632e7448a7434c39687e-150x150.jpg 150w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/12\/7e6d08bad047632e7448a7434c39687e-768x769.jpg 768w\" sizes=\"auto, (max-width: 627px) 100vw, 627px\" \/><\/p>\n<p>Erityisen dramaattiset olivat ne metallit, jotka laitettiin <b>siniseen kuparisulfaattiliuokseen<\/b>.<\/p>\n<h4>\u3010Kuparisulfaattiliuos \u00d7 Magnesiumlevy\u3011<\/h4>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-41539 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/22994a0d123bb5c1445440e9109c285b.jpg\" alt=\"\" width=\"492\" height=\"439\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/22994a0d123bb5c1445440e9109c285b.jpg 946w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/22994a0d123bb5c1445440e9109c285b-300x268.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/22994a0d123bb5c1445440e9109c285b-768x685.jpg 768w\" sizes=\"auto, (max-width: 492px) 100vw, 492px\" \/>Vasen: ennen reaktiota, Oikea: reaktion j\u00e4lkeen<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-44237 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/12\/c7b8ab67c937a6b78697b279609adccb.jpg\" alt=\"\" width=\"525\" height=\"201\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/12\/c7b8ab67c937a6b78697b279609adccb.jpg 1206w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/12\/c7b8ab67c937a6b78697b279609adccb-300x115.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/12\/c7b8ab67c937a6b78697b279609adccb-1024x392.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/12\/c7b8ab67c937a6b78697b279609adccb-768x294.jpg 768w\" sizes=\"auto, (max-width: 525px) 100vw, 525px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-41541 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/c94c1cd32648c3b0fe2a1c8db438dc3e.jpg\" alt=\"\" width=\"434\" height=\"288\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/c94c1cd32648c3b0fe2a1c8db438dc3e.jpg 1600w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/c94c1cd32648c3b0fe2a1c8db438dc3e-300x199.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/c94c1cd32648c3b0fe2a1c8db438dc3e-1024x680.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/c94c1cd32648c3b0fe2a1c8db438dc3e-768x510.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/c94c1cd32648c3b0fe2a1c8db438dc3e-1536x1020.jpg 1536w\" sizes=\"auto, (max-width: 434px) 100vw, 434px\" \/><\/p>\n<p style=\"text-align: center;\">Magnesiumpala on hieman ohentunut (se on liuennut).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-41584 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/51d1ea81fb49058b97be9b26fedd6914.jpg\" alt=\"\" width=\"443\" height=\"259\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/51d1ea81fb49058b97be9b26fedd6914.jpg 892w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/51d1ea81fb49058b97be9b26fedd6914-300x176.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/51d1ea81fb49058b97be9b26fedd6914-768x449.jpg 768w\" sizes=\"auto, (max-width: 443px) 100vw, 443px\" \/><\/p>\n<p style=\"text-align: center;\">Oikealla uusi, vasemmalla reaktion j\u00e4lkeen. Pinta on mustunut.<\/p>\n<p>Kun magnesium lis\u00e4t\u00e4\u00e4n, pinta muuttuu nopeasti mustahkoksi ja <b>sinisen liuoksen v\u00e4ri alkaa haalistua!<\/b> My\u00f6s itse magnesiumlevy on hieman liuennut (ohentunut).<\/p>\n<h4>\u3010Kuparisulfaattiliuos \u00d7 Sinkkilevy\u3011<\/h4>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-41540 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/f14e9ba389d80fe160c556cf31468555.jpg\" alt=\"\" width=\"457\" height=\"383\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/f14e9ba389d80fe160c556cf31468555.jpg 1292w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/f14e9ba389d80fe160c556cf31468555-300x252.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/f14e9ba389d80fe160c556cf31468555-1024x859.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/f14e9ba389d80fe160c556cf31468555-768x644.jpg 768w\" sizes=\"auto, (max-width: 457px) 100vw, 457px\" \/>Vasen: ennen reaktiota, Oikea: reaktion j\u00e4lkeen<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-44238 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/12\/55114e2be279a262c7571e615fb1f9f4.jpg\" alt=\"\" width=\"536\" height=\"169\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/12\/55114e2be279a262c7571e615fb1f9f4.jpg 1186w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/12\/55114e2be279a262c7571e615fb1f9f4-300x95.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/12\/55114e2be279a262c7571e615fb1f9f4-1024x323.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/12\/55114e2be279a262c7571e615fb1f9f4-768x242.jpg 768w\" sizes=\"auto, (max-width: 536px) 100vw, 536px\" \/>My\u00f6s sinkkilevyn pintaan ilmestyi <b>punertavaa sakkaa<\/b>. Reaktiot eiv\u00e4t olleet yht\u00e4 rajuja kuin magnesiumin kanssa, mutta selv\u00e4 muutos tapahtui.<\/p>\n<h4>\u3010Kuparisulfaattiliuos \u00d7 Kuparilevy\u3011<\/h4>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-44239 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/12\/1ac14c4ee8ae7aef8091b99194fc5826.jpg\" alt=\"\" width=\"531\" height=\"178\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/12\/1ac14c4ee8ae7aef8091b99194fc5826.jpg 978w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/12\/1ac14c4ee8ae7aef8091b99194fc5826-300x101.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/12\/1ac14c4ee8ae7aef8091b99194fc5826-768x258.jpg 768w\" sizes=\"auto, (max-width: 531px) 100vw, 531px\" \/>Kuparilevyss\u00e4 ei tapahtunut <b>lainkaan muutosta<\/b>, vaikka se laitettiin kuparisulfaattiliuokseen.<\/p>\n<p>Yhteenvetona, havaitut muutokset yhdistelmitt\u00e4in olivat:<\/p>\n<p>Kuparisulfaatti \u00d7 Magnesium | Metallin pinta mustuu, saostumaa ilmestyy Kuparisulfaatti \u00d7 Sinkki | Metallin pintaan punertavaa sakkaa Kuparisulfaatti \u00d7 Kupari | Ei muutosta<\/p>\n<h3>Pohdinta: Metallin ionisoitumisherkkyys (J\u00e4nnitesarja)<\/h3>\n<p>N\u00e4iden reaktiotulosten perusteella voidaan johtaa j\u00e4rjestys sille, kuinka helposti metalli vapauttaa elektroneja ja muuttuu ioniksi (= j\u00e4nnitesarja).<\/p>\n<p style=\"text-align: center;\">Magnesium \uff1e Sinkki \uff1e Kupari<\/p>\n<p>Magnesium reagoi kaikkein aktiivisimmin, kun taas kuparissa ei tapahdu mit\u00e4\u00e4n muutosta. T\u00e4m\u00e4 osoittaa, ett\u00e4 magnesium vapauttaa elektroneja helposti ja ionisoituu eritt\u00e4in herk\u00e4sti.<\/p>\n<h3>Yhteenveto ja vinkkej\u00e4 opetukseen<\/h3>\n<p><b>Mikromittakaavan koe<\/b>, jossa yhdistyv\u00e4t tilaa s\u00e4\u00e4st\u00e4v\u00e4, edullinen ja turvallinen toteutus. V\u00e4rimuutokset ovat dramaattisia \u2013 &#8220;sininen v\u00e4ri katoaa&#8221;, &#8220;punainen metalli ilmestyy&#8221; \u2013 mik\u00e4 tekee kemiallisen muutoksen ymm\u00e4rt\u00e4misest\u00e4 helppoa. Pohdintaprosessi muodostaa &#8220;miksi?&#8221;-kysymyst\u00e4 selvitt\u00e4v\u00e4n tarinan, ja se sopii erinomaisesti ryhm\u00e4ty\u00f6skentelyyn. J\u00e4tett\u00e4 syntyy vain muutamia tippoja mikrolevyn kuopissa, joten <b>siivoaminen on helppoa ja ymp\u00e4rist\u00f6yst\u00e4v\u00e4llist\u00e4!<\/b><\/p>\n<p>Ionisoitumisherkkyyden ymm\u00e4rt\u00e4minen on eritt\u00e4in t\u00e4rke\u00e4 perusta, joka liittyy yl\u00e4asteen tieteiss\u00e4 opiskeltavaan &#8220;Daniellin paristoon&#8221; (laite, joka tuottaa s\u00e4hk\u00f6\u00e4 sinkin ja kuparin ionisoitumisherkkyyden eron avulla) ja lukion kemian &#8220;metallin korroosioon (ruoste)&#8221;.<\/p>\n<p>Tule ja tutkitaan kemian kiehtovaa maailmaa t\u00e4m\u00e4n hauskan kokeen avulla!<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-46894 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/12\/a71d56d337c54a27c92c4170a3997f4c.jpg\" alt=\"\" width=\"201\" height=\"280\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/12\/a71d56d337c54a27c92c4170a3997f4c.jpg 472w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/12\/a71d56d337c54a27c92c4170a3997f4c-215x300.jpg 215w\" sizes=\"auto, (max-width: 201px) 100vw, 201px\" \/><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/amzn.to\/40TQdSq\">Mikromittakaavan kokeet<\/a> amazon<\/p>\n<h3>Yhteydenotot ja tiedustelut<\/h3>\n<p>Tuo tieteen ihmeet ja hauskuus l\u00e4hemm\u00e4ksi! Olen koonnut selke\u00e4sti hauskoja kotona teht\u00e4vi\u00e4 kokeita ja niiden vinkkej\u00e4. Selaa ja etsi lis\u00e4\u00e4!\u30fbTietoa yll\u00e4pit\u00e4j\u00e4st\u00e4, Kensaku Kuwakosta <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4st\u00e4<\/a>\u30fbErilaiset tiedustelut (kirjoittaminen, luennot, tiedekerhot, TV-konsultointi\/esiintymiset jne.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4st\u00e4<\/a><span class=\"s2\">\u30fbArtikkelip\u00e4ivitykset l\u00e4hetet\u00e4\u00e4n <a href=\"https:\/\/x.com\/kuwako\">X-palvelussa<\/a>!<\/span><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.youtube.com\/user\/kkuwako\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-35048\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3d9640dad7bc5538e76f92da1966ee19.jpg\" alt=\"\" width=\"30\" height=\"21\" \/><\/a><a href=\"https:\/\/www.youtube.com\/user\/kkuwako?sub_confirmation=1\">Tiedevinkit-kanavalla<\/a> julkaistaan kokeellisia videoita!<\/p>\n<h3>\uff14\u6708\u306e\u30a4\u30c1\u30aa\u30b7\u5b9f\u9a13\uff01<\/h3>\r\n<ul>\r\n \t<li><a href=\"https:\/\/phys-edu.net\/wp\/?p=46937&amp;\">\u5149\u306e\u9b54\u6cd5CMY\u30a6\u30a9\u30fc\u30bf\u30fc\u30ad\u30e5\u30fc\u30d6<\/a>\uff1a\u5149\u306e\u9b54\u6cd5\u3092\u4f53\u9a13\u305b\u3088\uff01\u6c34\u3092\u6ce8\u3050\u3068\u65b0\u305f\u306a\u7acb\u65b9\u4f53\u304c\u51fa\u73fe\u3059\u308b\u9b54\u6cd5\u306e\u3088\u3046\u306a\u5b9f\u9a13\u3067\u3059\u3002<\/li>\r\n<\/ul>\r\n<img class=\"alignnone wp-image-47312 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/12\/71274840332ac4ee4620fb1475a1d79c.jpg\" sizes=\"auto, (max-width: 267px) 100vw, 267px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/12\/71274840332ac4ee4620fb1475a1d79c.jpg 1292w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/12\/71274840332ac4ee4620fb1475a1d79c-272x300.jpg 272w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/12\/71274840332ac4ee4620fb1475a1d79c-928x1024.jpg 928w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/12\/71274840332ac4ee4620fb1475a1d79c-768x848.jpg 768w\" alt=\"\" width=\"267\" height=\"294\" \/>\r\n<h3 style=\"text-align: left;\"><span style=\"font-size: medium;\"><b><strong>\u30c6\u30ec\u30d3\u756a\u7d44\u30fb\u79d1\u5b66\u76e3\u4fee\u7b49\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/span><\/h3>\r\n<ul>\r\n \t<li>4\u67089\u65e5\uff08\u6728\uff09\u300cTHE\u7a81\u7834\u30d5\u30a1\u30a4\u30eb\u300d\uff08\u65e5\u672c\u30c6\u30ec\u30d3 \uff09\u306e\u79d1\u5b66\u76e3\u4fee\u3092\u884c\u3044\u307e\u3057\u305f\u3002\u591c7\u6642\u301c\u3068\u306a\u308a\u307e\u3059\u3002<\/li>\r\n<\/ul>\r\n<h3><span style=\"font-size: medium;\"><b>\u66f8\u7c4d<strong>\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/span><\/h3>\r\n<ul>\r\n \t<li><a href=\"https:\/\/phys-edu.net\/wp\/?p=61585\">\u30b5\u30af\u30bb\u30b915 \uff14\u6708\u53f7<\/a>\u306b\u3066\u3001\u91ce\u7403\u306e\u79d1\u5b66\u306b\u3064\u3044\u3066\u8a18\u4e8b\u3092\u57f7\u7b46\u3057\u307e\u3057\u305f\uff082026\/3\uff09<\/li>\r\n \t<li>\u300e\u5927\u4eba\u306e\u305f\u3081\u306e\u9ad8\u6821\u7269\u7406\u5fa9\u7fd2\u5e33\u300f\uff08\u8b1b\u8ac7\u793e\uff09\u2026\u4e00\u822c\u5411\u3051\u306b\u65e5\u5e38\u306e\u7269\u7406\u306b\u3064\u3044\u3066\u516c\u5f0f\u3092\u5143\u306b\u7d10\u89e3\u304d\u307e\u3057\u305f\u3002<a href=\"https:\/\/phys-edu.net\/wp\/?p=1827\">\u7279\u8a2d\u30b5\u30a4\u30c8<\/a>\u3067\u306f\u5b9f\u9a13\u3092\u591a\u6570\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<strong>\u203b\u5897\u5237\u304c\u304b\u304b\u308a\uff16\u5237\u3068\u306a\u308a\u307e\u3057\u305f\uff082026\/02\/01\uff09\r\n<img class=\"alignnone wp-image-10940 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0-300x262.jpg\" sizes=\"(max-width: 220px) 100vw, 220px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0-300x262.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0.jpg 311w\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2014-07-05 0.43.51\" width=\"220\" height=\"192\" \/>\r\n<\/strong><\/li>\r\n \t<li>\u300e\u304d\u3081\u308b!\u5171\u901a\u30c6\u30b9\u30c8 \u7269\u7406\u57fa\u790e \u6539\u8a02\u7248\u300f\uff08\u5b66\u7814\uff09\u2026\u3000\u9ad8\u6821\u7269\u7406\u306e\u53c2\u8003\u66f8\u3067\u3059\u3002\u30a4\u30e9\u30b9\u30c8\u3092\u591a\u304f\u3057\u3066\u30a4\u30e1\u30fc\u30b8\u304c\u6301\u3066\u308b\u3088\u3046\u306b\u63cf\u304d\u307e\u3057\u305f\u3002\u6388\u696d\u306b\u3064\u3044\u3066\u3044\u3051\u306a\u3044\u3001\u7269\u7406\u304c\u82e6\u624b\u3001\u305d\u3093\u306a\u751f\u5f92\u306b\u304a\u3059\u3059\u3081\u3067\u3059\u3002<a href=\"https:\/\/phys-edu.net\/wp\/?p=45322\">\u7279\u8a2d\u30b5\u30a4\u30c8<\/a>\u306f\u3053\u3061\u3089\u3002\r\n<img class=\"alignnone wp-image-45718 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c.jpg\" sizes=\"(max-width: 184px) 100vw, 184px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c.jpg 756w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c-300x269.jpg 300w\" alt=\"\" width=\"184\" height=\"165\" \/><\/li>\r\n<\/ul>\r\n<h3><span style=\"font-size: medium;\"><b>\u8b1b\u5e2b\u30fb\u30b7\u30e7\u30fc\u30fb\u7814\u7a76\u7b49\u306e\u304a\u77e5\u3089\u305b<\/b><\/span><\/h3>\r\n<ul>\r\n \t<li>3\/20\uff08\u91d1\uff09\u3000\u65e5\u672c\u7406\u79d1\u6559\u80b2\u5b66\u4f1a\u30aa\u30f3\u30e9\u30a4\u30f3\u5168\u56fd\u5927\u4f1a2026\u300c<a href=\"https:\/\/phys-edu.net\/wp\/?p=60439\">\u6163\u6027\u306e\u6cd5\u5247\u306e\u6982\u5ff5\u5f62\u6210\u3092\u76ee\u6307\u3057\u305f\u63a2\u7a76\u7684\u306a\u5b66\u3073\u306e\u5b9f\u8df5\u300d<\/a>\u306b\u3064\u3044\u3066\u767a\u8868\u3057\u307e\u3057\u305f\u3002<\/li>\r\n \t<li>6\/14\uff08\u65e5\uff09\u3000\u5343\u8449\u5927\u5b66\u30a4\u30f3\u30b9\u30bf\u30ec\u30fc\u30b7\u30e7\u30f3\u300c\u63a2\u7a76\u300d\u306b\u3066\u8b1b\u5e2b\u3092\u52d9\u3081\u307e\u3059<\/li>\r\n \t<li>7\/18\uff08\u571f\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=60018\">\u6559\u54e1\u5411\u3051\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\u300c\u30ca\u30ea\u30ab\u30ab\u30b5\u30a4\u30a8\u30f3\u30b9\u30a2\u30ab\u30c7\u30df\u30fc\u300d\u306e\u8b1b\u5e2b\u3092\u3057\u307e\u3059<\/a>\u3002\u304a\u4f1a\u3044\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\r\n \t<li>10\/10\uff08\u571f\uff09\u3000\u79d8\u5bc6\u5175\u5668\u300c\u5e2f\u96fb\u30ac\u30f3\u300d\u304c\u70b8\u88c2\uff01\u30d3\u30ea\u30d3\u30ea\uff01\u30c9\u30ad\u30c9\u30ad\uff01\u9759\u96fb\u6c17\u30b5\u30a4\u30a8\u30f3\u30b9\u30b7\u30e7\u30fc\uff20\u5343\u8449\u5e02\u79d1\u5b66\u30d5\u30a7\u30b9\u30bf\uff08\u5348\u5f8c\u4e88\u5b9a\uff09<\/li>\r\n \t<li><span style=\"text-align: center;\">\u5404\u7a2eSNS\u3000<\/span><a style=\"text-align: center;\" href=\"https:\/\/twitter.com\/kuwako\">X(Twitter)<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.instagram.com\/science_seeds\/\">instagram<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.facebook.com\/kuwakolab\/\">Facebook<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/bsky.app\/profile\/kagakunoneta.bsky.social\">BlueSky<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.threads.net\/@science_seeds?hl=ja\">Threads<\/a><\/li>\r\n<\/ul>\r\n<h3 style=\"text-align: center;\"><strong>Explore<\/strong><\/h3>\r\n<ul>\r\n \t<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=30764\">\u697d\u3057\u3044\u5b9f\u9a13<\/a>\u2026\u304a\u5b50\u3055\u3093\u3068\u4e00\u7dd2\u306b\u5922\u4e2d\u306b\u306a\u308c\u308b\u30a4\u30c1\u30aa\u30b7\u306e\u79d1\u5b66\u5b9f\u9a13\u3092\u591a\u6570\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u9ad8\u6821\u7269\u7406\u306e\u7406\u89e3\u3092\u6df1\u3081\u308b\u305f\u3081\u306e\u52d5\u753b\u6559\u6750\u3082\u7528\u610f\u3057\u307e\u3057\u305f\u3002<\/li>\r\n \t<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=798\">\u7406\u79d1\u306e\u6559\u6750<\/a>\u2026 \u7406\u79d1\u6559\u5e2b\u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\uff01\u6388\u696d\u306e\u8cea\u3092\u9ad8\u3081\u3001\u6e96\u5099\u3092\u52b9\u7387\u5316\u3059\u308b\u305f\u3081\u306e\u9078\u308a\u3059\u3050\u308a\u306e\u6559\u6750\u3092\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\r\n \t<li><a href=\"https:\/\/www.youtube.com\/c\/kkuwako\">Youtube<\/a>\u2026\u79d1\u5b66\u5b9f\u9a13\u7b49\u306e\u52d5\u753b\u3092\u914d\u4fe1\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\r\n \t<li><a href=\"https:\/\/music.youtube.com\/playlist?list=PLoK4ZvKN9S2NgpYIochcQs0aL-vrRB_Qw\">\u79d1\u5b66\u30e9\u30b8\u30aa<\/a>\u00a0\u2026\u79d1\u5b66\u30c8\u30d4\u30c3\u30af\u3092\u307b\u307c\u6bce\u65e5\u914d\u4fe1\u4e2d\uff01AI\u6280\u8853\u3092\u99c6\u4f7f\u3057\u3066\u4f5c\u6210\u3057\u305f\u300c\u8033\u3067\u697d\u3057\u3080\u79d1\u5b66\u300d\u3092\u304a\u5c4a\u3051\u3057\u307e\u3059\u3002<\/li>\r\n \t<li><a href=\"http:\/\/phys-edu.net\/wp\/?page_id=20940\">\u8b1b\u6f14<\/a>\u00a0\u2026\u5168\u56fd\u5404\u5730\u3067\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\u30fb\u30b5\u30a4\u30a8\u30f3\u30b9\u30b7\u30e7\u30fc\u7b49\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/li>\r\n \t<li><a href=\"http:\/\/phys-edu.net\/wp\/?page_id=37\">About<\/a>\u00a0\u2026\u300c\u79d1\u5b66\u306e\u30cd\u30bf\u5e33\u300d\u306e\u30b3\u30f3\u30bb\u30d7\u30c8\u3084\u3001\u904b\u55b6\u8005\u3067\u3042\u308b\u6851\u5b50\u7814\u306e\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u30fb\u60f3\u3044\u3092\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002<\/li>\r\n \t<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">\u304a\u554f\u3044\u5408\u308f\u305b<\/a>\u00a0\u2026\u5b9f\u9a13\u6559\u5ba4\u306e\u3054\u4f9d\u983c\u3001\u57f7\u7b46\u30fb\u8b1b\u6f14\u306e\u76f8\u8ac7\u3001\u79d1\u5b66\u76e3\u4fee\u7b49\u306f\u3053\u3061\u3089\u306e\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u304a\u5bc4\u305b\u304f\u3060\u3055\u3044\u3002<\/li>\r\n<\/ul>\r\n<ul class=\"wp-block-latest-posts__list is-grid columns-3 has-dates wp-block-latest-posts\"><li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62891&#038;lang=ko\" aria-label=\"\uba48\ucd98 \ub4ef\ud558\uc9c0\ub9cc \ub2e4\uac00\uc624\uace0 \uc788\ub2e4? &#8216;\ucf5c\ub9ac\uc804 \ucf54\uc2a4&#8217; \ud604\uc0c1\uc758 \uacf5\ud3ec\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/74ff8b011a242f6fb7ea0802cb36c952-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=62891&#038;lang=ko\">\uba48\ucd98 \ub4ef\ud558\uc9c0\ub9cc \ub2e4\uac00\uc624\uace0 \uc788\ub2e4? &#8216;\ucf5c\ub9ac\uc804 \ucf54\uc2a4&#8217; \ud604\uc0c1\uc758 \uacf5\ud3ec<\/a><time datetime=\"2026-04-30T04:31:27+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670830\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62889&#038;lang=es\" aria-label=\"\u00bfInm\u00f3vil o en rumbo de colisi\u00f3n? El peligro invisible de la velocidad relativa\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/74ff8b011a242f6fb7ea0802cb36c952-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=62889&#038;lang=es\">\u00bfInm\u00f3vil o en rumbo de colisi\u00f3n? El peligro invisible de la velocidad relativa<\/a><time datetime=\"2026-04-30T04:30:54+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670830\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62887&#038;lang=hi\" aria-label=\"\u0938\u094d\u0925\u093f\u0930 \u092a\u0930 \u091c\u093e\u0928\u0932\u0947\u0935\u093e: \u0915\u094b\u0932\u093f\u091c\u0928 \u0915\u094b\u0930\u094d\u0938 \u0915\u093e \u0916\u0924\u0930\u0928\u093e\u0915 \u0938\u091a\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/74ff8b011a242f6fb7ea0802cb36c952-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=62887&#038;lang=hi\">\u0938\u094d\u0925\u093f\u0930 \u092a\u0930 \u091c\u093e\u0928\u0932\u0947\u0935\u093e: \u0915\u094b\u0932\u093f\u091c\u0928 \u0915\u094b\u0930\u094d\u0938 \u0915\u093e \u0916\u0924\u0930\u0928\u093e\u0915 \u0938\u091a<\/a><time datetime=\"2026-04-30T04:30:07+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670830\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62885&#038;lang=zh\" aria-label=\"\u770b\u4f3c\u975c\u6b62\u537b\u5728\u903c\u8fd1\uff1f\u4ee4\u4eba\u6bdb\u9aa8\u609a\u7136\u7684\u300c\u78b0\u649e\u8def\u7dda\u300d\u73fe\u8c61\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/74ff8b011a242f6fb7ea0802cb36c952-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=62885&#038;lang=zh\">\u770b\u4f3c\u975c\u6b62\u537b\u5728\u903c\u8fd1\uff1f\u4ee4\u4eba\u6bdb\u9aa8\u609a\u7136\u7684\u300c\u78b0\u649e\u8def\u7dda\u300d\u73fe\u8c61<\/a><time datetime=\"2026-04-30T04:28:59+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670830\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62882&#038;lang=fi\" aria-label=\"Se n\u00e4ytt\u00e4\u00e4 seisovan, mutta l\u00e4hestyy \u2013 T\u00f6rm\u00e4yskurssin hyyt\u00e4v\u00e4 vaara\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/08\/74ff8b011a242f6fb7ea0802cb36c952-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=62882&#038;lang=fi\">Se n\u00e4ytt\u00e4\u00e4 seisovan, mutta l\u00e4hestyy \u2013 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