{"id":58583,"date":"2026-01-08T18:11:54","date_gmt":"2026-01-08T09:11:54","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=58583"},"modified":"2026-01-08T18:11:54","modified_gmt":"2026-01-08T09:11:54","slug":"ekologinen-helppo-ja-siivouskin-vaivatonta-pinoa-vain-hampurilaismallinen-daniellin-paristo-koe","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=58583&lang=fi","title":{"rendered":"Ekologinen, helppo ja siivouskin vaivatonta! Pinoa vain \u2013 \u201champurilaismallinen Daniellin paristo\u201d -koe"},"content":{"rendered":"<p style=\"text-align: center;\"><strong style=\"color: #339966;\">Olen tiedevalmentaja Ken Kuwako. Joka p\u00e4iv\u00e4 on koe.<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-49846 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/cd9e558002f15839a109059571de9486.jpg\" alt=\"\" width=\"216\" height=\"218\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/cd9e558002f15839a109059571de9486.jpg 818w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/cd9e558002f15839a109059571de9486-297x300.jpg 297w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/cd9e558002f15839a109059571de9486-150x150.jpg 150w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/cd9e558002f15839a109059571de9486-768x776.jpg 768w\" sizes=\"auto, (max-width: 216px) 100vw, 216px\" \/><span style=\"font-size: 14px;\">Daniellin pari on keskeinen aihe paristojen ja s\u00e4hk\u00f6kemian ymm\u00e4rt\u00e4misess\u00e4. Moni opettaja saattaa kuitenkin p\u00e4hk\u00e4ill\u00e4 suurit\u00f6isten esivalmisteluiden ja j\u00e4teliuosten k\u00e4sittelyn kanssa.<\/span>T\u00e4ss\u00e4 on ratkaisu: Hampurilais-Daniell-pari! Kuten nimest\u00e4 voi p\u00e4\u00e4tell\u00e4, t\u00e4m\u00e4 on nerokas ja yksinkertaistettu versio Daniellin parista, jossa materiaalit kerrostetaan p\u00e4\u00e4llekk\u00e4in aivan kuin hampurilaisessa. Hauskan ulkon\u00e4\u00f6n lis\u00e4ksi sen suurin etu on ymp\u00e4rist\u00f6yst\u00e4v\u00e4llisyys: j\u00e4teliuosta syntyy huomattavasti v\u00e4hemm\u00e4n kuin perinteisess\u00e4 mallissa. Lis\u00e4ksi se on helppo rakentaa tutuista tarvikkeista, mik\u00e4 kevent\u00e4\u00e4 opettajan valmistelutaakkaa merkitt\u00e4v\u00e4sti.Totta on, ett\u00e4 t\u00e4ss\u00e4 yksinkertaistetussa mallissa liuosten muutoksia ei p\u00e4\u00e4se n\u00e4kem\u00e4\u00e4n yht\u00e4 suoraan kuin perinteisess\u00e4 versiossa. Mutta ei h\u00e4t\u00e4\u00e4! Yhdist\u00e4m\u00e4ll\u00e4 t\u00e4m\u00e4n kokeen <a href=\"https:\/\/phys-edu.net\/wp\/?p=41763\">perinteiseen Daniellin pariin<\/a> (jota k\u00e4ytet\u00e4\u00e4n opettajan havaintoesityksen\u00e4), oppilaat p\u00e4\u00e4sev\u00e4t hy\u00f6dynt\u00e4m\u00e4\u00e4n molempien mallien parhaat puolet.https:\/\/phys-edu.net\/wp\/?p=41763Havaintoesityksess\u00e4 voidaan n\u00e4ytt\u00e4\u00e4 visuaalisesti ionien liike sek\u00e4 metallin liukeneminen ja saostuminen. T\u00e4m\u00e4n j\u00e4lkeen oppilaat p\u00e4\u00e4sev\u00e4t kokeilemaan s\u00e4hk\u00f6n tuottamista itse t\u00e4ll\u00e4 hampurilaismallilla. T\u00e4m\u00e4 yhdistelm\u00e4 auttaa oppilaita hahmottamaan perusperiaatteet monesta eri kulmasta. Mikset siis kokeilisi Hampurilais-Daniell-paria omalla tunnillasi? Se on hauska, ekologinen ja saa oppilaat varmasti hihkaisemaan oivaltamisen ilosta!<\/p>\n<h2>Tarvittavat materiaalit ja valmistus<\/h2>\n<p><span style=\"font-size: 14px;\">T\u00e4m\u00e4n hampurilaismallin avain on sellofaani. Se toimii erottimena, joka est\u00e4\u00e4 eri elektrolyyttiliuosten sekoittumisen mutta p\u00e4\u00e4st\u00e4\u00e4 ionit l\u00e4pi \u2013 aivan kuten perinteisen mallin huokoinen savilevy tai suolasilta. Yll\u00e4tt\u00e4v\u00e4\u00e4 kyll\u00e4, tavallinen askartelukaupoista saatava v\u00e4rillinen sellofaani toimii t\u00e4ss\u00e4 mainiosti, mik\u00e4 s\u00e4\u00e4st\u00e4\u00e4 sek\u00e4 aikaa ett\u00e4 rahaa. K\u00e4ytt\u00e4m\u00e4ll\u00e4 suodatinpaperia (tai jopa talouspaperia) liuosten imeytt\u00e4miseen, j\u00e4tett\u00e4 syntyy vain nimeksi ja siivoaminen on todella vaivatonta.<\/span><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-41661 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/6ccae970d1fcb27c7be7e79dbe94799e.jpg\" alt=\"\" width=\"348\" height=\"411\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/6ccae970d1fcb27c7be7e79dbe94799e.jpg 1052w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/6ccae970d1fcb27c7be7e79dbe94799e-254x300.jpg 254w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/6ccae970d1fcb27c7be7e79dbe94799e-866x1024.jpg 866w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/6ccae970d1fcb27c7be7e79dbe94799e-768x908.jpg 768w\" sizes=\"auto, (max-width: 348px) 100vw, 348px\" \/><\/p>\n<p style=\"text-align: center;\"><a style=\"word-wrap: break-word;\" href=\"https:\/\/hb.afl.rakuten.co.jp\/ichiba\/2d866e5d.bc5deddc.2d866e5e.dea74495\/?pc=https%3A%2F%2Fitem.rakuten.co.jp%2Fbicosya%2F63983%2F&amp;link_type=picttext&amp;ut=eyJwYWdlIjoiaXRlbSIsInR5cGUiOiJwaWN0dGV4dCIsInNpemUiOiIyNDB4MjQwIiwibmFtIjoxLCJuYW1wIjoicmlnaHQiLCJjb20iOjEsImNvbXAiOiJkb3duIiwicHJpY2UiOjEsImJvciI6MSwiY29sIjoxLCJiYnRuIjoxLCJwcm9kIjowLCJhbXAiOmZahalzZXfQ%3D%3D\" target=\"_blank\" rel=\"nofollow sponsored noopener\">Sellofaanipaperia 8 v\u00e4ri\u00e4 <\/a><\/p>\n<p>Ja usko tai \u00e4l\u00e4, kokeen voi suorittaa jopa tavallisella <b>tulostuspaperilla<\/b> sellofaanin sijaan. Sinkkisulfaattiliuoksen voi tarvittaessa korvata my\u00f6s kyll\u00e4isell\u00e4 ruokasuolaliuoksella.<b>Valmistelut:<\/b><\/p>\n<ul>\n<li><b>Sinkkisulfaattiliuos<\/b>: noin 5 % (liuota 9,8 g sinkkisulfaatti-heptahydraattia 100 grammaan vett\u00e4)<\/li>\n<li><b>Kuparisulfaattiliuos<\/b>: noin 17 % (liuota 35,7 g kupari(II)sulfaatti-pentahydraattia 100 grammaan vett\u00e4)<\/li>\n<li>Kaksi pipetti\u00e4, kaksi petrimaljaa, sinkkilevy, kuparilevy, kaksi suodatinpaperia (tai talouspaperia), sellofaania, nen\u00e4liina, s\u00e4hk\u00f6moottori potkurilla, elektroninen melodiapiiri, yleismittari, hauenleukajohtimet ja pinsetit.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-41650 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/a24571588621e13540dea4801ed35e3b.jpg\" alt=\"\" width=\"575\" height=\"377\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/a24571588621e13540dea4801ed35e3b.jpg 1824w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/a24571588621e13540dea4801ed35e3b-300x197.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/a24571588621e13540dea4801ed35e3b-1024x671.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/a24571588621e13540dea4801ed35e3b-768x504.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/a24571588621e13540dea4801ed35e3b-1536x1007.jpg 1536w\" sizes=\"auto, (max-width: 575px) 100vw, 575px\" \/><\/p>\n<p style=\"text-align: center;\">T\u00e4ss\u00e4 ovat kaikki tarvittavat v\u00e4lineet.<\/p>\n<h2>Kokeen suorittaminen<\/h2>\n<p><span style=\"font-size: 14px;\">Sitten on aika koota Hampurilais-Daniell-pari. Vaiheet ovat hyvin yksinkertaiset \u2013 ladot vain ainekset p\u00e4\u00e4llekk\u00e4in kuin tekisit voileip\u00e4\u00e4!<\/span>Aseta suodatinpaperit petrimaljoihin ja kostuta ne pipetill\u00e4; toinen kuparisulfaatilla ja toinen sinkkisulfaatilla.<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-41651 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/9cb2e641667d81a62dc2be41ecd7a565.jpg\" alt=\"\" width=\"532\" height=\"305\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/9cb2e641667d81a62dc2be41ecd7a565.jpg 1350w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/9cb2e641667d81a62dc2be41ecd7a565-300x172.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/9cb2e641667d81a62dc2be41ecd7a565-1024x587.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/9cb2e641667d81a62dc2be41ecd7a565-768x440.jpg 768w\" sizes=\"auto, (max-width: 532px) 100vw, 532px\" \/>Laita p\u00f6yd\u00e4lle nen\u00e4liina suojaksi (mieluiten p\u00f6yd\u00e4n reunaan) ja aseta sen p\u00e4\u00e4lle kuparilevy. Kokoamisj\u00e4rjestys on seuraava:<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-41663 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/4063b331989e09c61a993e55575bbd1f.jpg\" alt=\"\" width=\"575\" height=\"280\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/4063b331989e09c61a993e55575bbd1f.jpg 1158w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/4063b331989e09c61a993e55575bbd1f-300x146.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/4063b331989e09c61a993e55575bbd1f-1024x499.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/4063b331989e09c61a993e55575bbd1f-768x374.jpg 768w\" sizes=\"auto, (max-width: 575px) 100vw, 575px\" \/><\/p>\n<p style=\"text-align: center;\">Aseta kuparilevy, sen p\u00e4\u00e4lle kuparisulfaatilla kostutettu suodatinpaperi ja sen p\u00e4\u00e4lle sellofaani.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-41652\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/af3023b916b1c74ffa09c7dcf6ede626.jpg\" alt=\"\" width=\"529\" height=\"338\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/af3023b916b1c74ffa09c7dcf6ede626.jpg 1284w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/af3023b916b1c74ffa09c7dcf6ede626-300x192.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/af3023b916b1c74ffa09c7dcf6ede626-1024x654.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/af3023b916b1c74ffa09c7dcf6ede626-768x490.jpg 768w\" sizes=\"auto, (max-width: 529px) 100vw, 529px\" \/><\/p>\n<p>Seuraavaksi aseta sinkkisulfaatilla kostutettu suodatinpaperi ja viimeiseksi sinkkilevy.<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-41653 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/bd40e0c355c2a82bc188164b180a4d66.jpg\" alt=\"\" width=\"448\" height=\"306\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/bd40e0c355c2a82bc188164b180a4d66.jpg 1360w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/bd40e0c355c2a82bc188164b180a4d66-300x205.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/bd40e0c355c2a82bc188164b180a4d66-1024x699.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/bd40e0c355c2a82bc188164b180a4d66-768x524.jpg 768w\" sizes=\"auto, (max-width: 448px) 100vw, 448px\" \/>Varmista, etteiv\u00e4t kupari- ja sinkkilevyt kosketa suoraan toisiaan. Kytke sitten hauenleukajohtimet levyihin ja yhdist\u00e4 ne elektroniseen melodiapiiriin tai moottoriin. Mittaa lopuksi j\u00e4nnite yleismittarilla.https:\/\/youtu.be\/DA5oORUdbO4<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-41654 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/8059f846d1f56cc3c5ea694b2a19bd31.jpg\" alt=\"\" width=\"492\" height=\"482\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/8059f846d1f56cc3c5ea694b2a19bd31.jpg 1084w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/8059f846d1f56cc3c5ea694b2a19bd31-300x294.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/8059f846d1f56cc3c5ea694b2a19bd31-1024x1003.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/8059f846d1f56cc3c5ea694b2a19bd31-768x752.jpg 768w\" sizes=\"auto, (max-width: 492px) 100vw, 492px\" \/><\/p>\n<p style=\"text-align: center;\">Omassa kokeessani j\u00e4nnite oli noin 1 V. Ihannetapauksessa p\u00e4\u00e4st\u00e4\u00e4n noin 1,1 volttiin.<\/p>\n<p>3. Jotta virta kulkisi jonkin aikaa, yhdist\u00e4 johtimet suoraan toisiinsa (oikosulku) ja anna olla noin kaksi minuuttia. Sen j\u00e4lkeen irrota paperit metallilevyist\u00e4 ja tarkkaile niiden v\u00e4ri\u00e4.<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-41657 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/0a8ef5b804e9fb799785a6883fc3e6bc.jpg\" alt=\"\" width=\"558\" height=\"353\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/0a8ef5b804e9fb799785a6883fc3e6bc.jpg 852w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/0a8ef5b804e9fb799785a6883fc3e6bc-300x189.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/0a8ef5b804e9fb799785a6883fc3e6bc-768x485.jpg 768w\" sizes=\"auto, (max-width: 558px) 100vw, 558px\" \/><\/p>\n<p style=\"text-align: center;\">Kuparilevyss\u00e4 kiinni ollut paperi. V\u00e4ri on muuttunut punertavaksi.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-41655 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/17ffca55f50c1562a910aa3bc9715539.jpg\" alt=\"\" width=\"557\" height=\"428\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/17ffca55f50c1562a910aa3bc9715539.jpg 1020w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/17ffca55f50c1562a910aa3bc9715539-300x231.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/11\/17ffca55f50c1562a910aa3bc9715539-768x590.jpg 768w\" sizes=\"auto, (max-width: 557px) 100vw, 557px\" \/><\/p>\n<p style=\"text-align: center;\">Sinkkilevyss\u00e4 kiinni ollut paperi. Jostain syyst\u00e4 t\u00e4m\u00e4kin on muuttunut ruskehtavaksi. Ehk\u00e4 kupari-ioneja p\u00e4\u00e4si sellofaanin l\u00e4pi.<\/p>\n<p>Yksinkertaisesti sanottuna Daniellin pari hy\u00f6dynt\u00e4\u00e4 <b>kahden eri metallin v\u00e4list\u00e4 eroa niiden halussa muuttua ioneiksi<\/b> (eli liukeneda veteen).<\/p>\n<h2>Miten Daniellin pari toimii?<\/h2>\n<p>Katsotaanpa Daniellin parin t\u00e4rkeimpi\u00e4 osia:<\/p>\n<ul>\n<li><b>Sinkkilevy (Zn)<\/b>: Toimii negatiivisena napana (miinusnapa).<\/li>\n<li><b>Kuparilevy (Cu)<\/b>: Toimii positiivisena napana (plusnapa).<\/li>\n<li><b>Sinkkisulfaattiliuos (ZnSO\u2084)<\/b>: Neste, johon sinkkilevy koskee.<\/li>\n<li><b>Kuparisulfaattiliuos (CuSO\u2084)<\/b>: Neste, johon kuparilevy koskee. Se on v\u00e4rilt\u00e4\u00e4n sinist\u00e4.<\/li>\n<li><b>Sellofaani<\/b>: Sein\u00e4, joka est\u00e4\u00e4 liuosten sekoittumisen.<\/li>\n<\/ul>\n<h3>S\u00e4hk\u00f6virran synty<\/h3>\n<p>S\u00e4hk\u00f6virta on itse asiassa pienten hiukkasten, <b>elektronien<\/b>, liikett\u00e4. Daniellin parissa n\u00e4m\u00e4 elektronit pakotetaan liikkeelle metallien v\u00e4lisess\u00e4 &#8220;kilpailussa&#8221;: kumpi metalli haluaa mieluummin muuttua ioniksi ja liukeneda veteen. T\u00e4t\u00e4 kutsutaan <b>s\u00e4hk\u00f6kemialliseksi j\u00e4nnitesarjaksi<\/b>.<\/p>\n<ul>\n<li><b>Sinkki (Zn)<\/b>: Haluaa kovasti liukeneda! Se on valmis <b>luovuttamaan<\/b> elektroneja ($e^-$) muuttuakseen sinkki-ioneiksi ($Zn^{2+}$).<\/li>\n<li><b>Kupari (Cu)<\/b>: Ei halua liukeneda yht\u00e4 herk\u00e4sti kuin sinkki. P\u00e4invastoin, liuoksessa olevat kupari-ionit ($Cu^{2+}$) haluavat <b>ottaa vastaan<\/b> elektroneja ja muuttua takaisin kiinte\u00e4ksi kupariksi.<\/li>\n<\/ul>\n<p>T\u00e4m\u00e4 ty\u00f6njako elektronien luovuttajan (sinkki) ja vastaanottajan (kupari-ionit) v\u00e4lill\u00e4 on koko pariston toiminnan ydin!<\/p>\n<h3>S\u00e4hk\u00f6n reitti askel askeleelta<\/h3>\n<p><b>Miinusnapa (sinkki): Sinkki liukenee ja vapauttaa elektroneja!<\/b>Sinkkilevyn (Zn) atomit luovuttavat kaksi elektronia ja muuttuvat sinkki-ioneiksi, jotka liukenevat sinkkisulfaattiliuokseen.<\/p>\n<p style=\"text-align: center;\"><code>Zn \u2192 Zn\u00b2\u207a + 2e\u207b<\/code><\/p>\n<p>T\u00e4m\u00e4n seurauksena sinkkilevy sy\u00f6pyy pikkuhiljaa. Vapautuneet elektronit l\u00e4htev\u00e4t liikkeelle johtoa pitkin kohti kuparilevy\u00e4. <b>T\u00e4m\u00e4 on s\u00e4hk\u00f6virtaa!<\/b><b>Plusnapa (kupari): Kupari-ionit ottavat elektronit vastaan!<\/b>Johtoa pitkin tulleet elektronit saapuvat kuparilevylle. Kuparisulfaattiliuoksessa olevat kupari-ionit (jotka tekev\u00e4t liuoksesta sinisen) rient\u00e4v\u00e4t levyn luo ja nappaavat elektronit itselleen.<\/p>\n<p style=\"text-align: center;\"><code>Cu\u00b2\u207a + 2e\u207b \u2192 Cu<\/code><\/p>\n<p>Kun kupari-ionit saavat elektronit, ne muuttuvat kupariatomeiksi ja saostuvat kuparilevyn pintaan. Kuparilevy siis &#8220;lihoo&#8221; ja liuoksen sininen v\u00e4ri haalistuu.<\/p>\n<h3>Mik\u00e4 on sellofaanin teht\u00e4v\u00e4?<\/h3>\n<p>Sellofaani toimii erottimena, joka est\u00e4\u00e4 liuoksia sekoittumasta heti k\u00e4ttelyss\u00e4. Se ei ole kuitenkaan umpinainen sein\u00e4. Koska sinkkipuolella positiiviset ionit lis\u00e4\u00e4ntyv\u00e4t ja kuparipuolella ne v\u00e4henev\u00e4t, s\u00e4hk\u00f6inen tasapaino j\u00e4rkkyisi ilman sellofaania. Sellofaanin pienten huokosten kautta negatiiviset ionit p\u00e4\u00e4sev\u00e4t liikkumaan, mik\u00e4 pit\u00e4\u00e4 pariston toiminnassa.Lue lis\u00e4\u00e4 perinteisest\u00e4 Daniellin parista t\u00e4st\u00e4 artikkelista:https:\/\/phys-edu.net\/wp\/?p=41763<\/p>\n<h3>Yhteydenotot ja tiedustelut<\/h3>\n<p>Tiede on ihmeellist\u00e4 ja hauskaa, kun sen tuo l\u00e4helle arkea! Ker\u00e4\u00e4n t\u00e4nne helppoja ja hauskoja kokeita, joita voit kokeilla kotona. Tutki ja l\u00f6yd\u00e4 lis\u00e4\u00e4!\u30fbLue lis\u00e4\u00e4 Ken Kuwakosta <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4lt\u00e4<\/a>.\u30fbToimeksiannot (kirjoittaminen, luennot, tiedepajat, TV-ty\u00f6t jne.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4lt\u00e4<\/a>.<span class=\"s2\">\u30fbSeuraa p\u00e4ivityksi\u00e4 <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\">Tiedekanavallani<\/a> julkaisen videoita kokeista!<\/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=62514&#038;lang=es\" aria-label=\"\u00a1Gira, lanza y vuela! Descubre c\u00f3mo crear tu propio avi\u00f3n girosc\u00f3pico con el poder de la ciencia\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/04\/0f1c43aa7cf2257f42498b97b4a43f91-150x150.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=62514&#038;lang=es\">\u00a1Gira, lanza y vuela! Descubre c\u00f3mo crear tu propio avi\u00f3n girosc\u00f3pico con el poder de la ciencia<\/a><time datetime=\"2026-04-19T05:57:51+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670819\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62511&#038;lang=fi\" aria-label=\"Py\u00f6r\u00e4ytys ja lento! N\u00e4in rakennat tieteen voimalla kiit\u00e4v\u00e4n \u201dgyrolennokin\u201d\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/04\/0f1c43aa7cf2257f42498b97b4a43f91-150x150.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=62511&#038;lang=fi\">Py\u00f6r\u00e4ytys ja lento! 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